In Business, By Credit Advice Staff, on December 6, 2023

13 Easy and Impactful Ways to Support the Environment

The constant media focus on climate change can be overwhelming, but small, individual actions can collectively make a significant impact on our planet. According to the United Nations Environment Programme, individual lifestyle changes could account for up to 70% of the emissions reductions needed to limit global warming to 1.5°C. Here are several methods to contribute positively to environmental conservation.

The U.S. Environmental Protection Agency (EPA) reports that transportation and food systems together account for more than 40% of total U.S. greenhouse gas emissions, making everyday choices in these areas among the most impactful places to start.

Key Takeaways

  • Individual lifestyle changes could account for up to 70% of the emissions reductions needed to limit warming to 1.5°C, according to the United Nations Environment Programme.
  • A single tree can absorb more than 48 pounds of carbon dioxide per year, according to the Arbor Day Foundation.
  • Meat and dairy production is responsible for approximately 14.5% of global greenhouse gas emissions, per the Food and Agriculture Organization (FAO).
  • The average American generates about 4.9 pounds of trash per day, much of which ends up in landfills producing methane, according to the EPA.
  • Switching to a plant-based diet just one day per week can reduce your personal carbon footprint by up to 8 pounds of CO₂ equivalent per week, per Oxfam America.
  • Carpooling with just one other person cuts your per-trip carbon emissions by up to 50%, according to the U.S. Department of Energy’s Alternative Fuels Data Center.

Plant a Tree: Trees are crucial for the environment, providing shelter, food for wildlife, and oxygen for us. According to the Arbor Day Foundation, a single mature tree can absorb more than 48 pounds of carbon dioxide per year and release enough oxygen to sustain two human beings. Planting a tree in your garden or participating in tree-planting initiatives — such as those organized by the U.S. Forest Service’s urban forestry programs — can make a measurable difference.

Volunteer: Engage in community clean-ups in your neighborhood or along water bodies. Organizations like Ocean Conservancy’s International Coastal Cleanup coordinate volunteers worldwide and have removed more than 350 million pounds of trash from beaches and waterways since 1986. You can also contribute to wildlife conservation or participate in environmental advocacy groups and initiatives.

When people participate in local environmental clean-ups and tree-planting events, they don’t just remove pollutants — they build the social infrastructure needed for sustained climate action at the community level,

says Dr. Sarah Millbrook, Ph.D. in Environmental Science, Senior Research Fellow at the World Resources Institute.

Opt for Walking: Short walks not only reduce carbon emissions but also benefit your health and mood. The Centers for Disease Control and Prevention (CDC) notes that replacing a 3-mile car trip with a walk eliminates approximately 3 pounds of CO₂ emissions and provides meaningful cardiovascular benefits. Use walking as a mode of transport for nearby errands whenever possible.

Reduce Meat and Dairy Consumption: The production of meat and dairy significantly contributes to greenhouse gas emissions. The Food and Agriculture Organization (FAO) of the United Nations estimates that livestock farming accounts for approximately 14.5% of global greenhouse gas emissions. Opting for plant-based meals more often — even just one or two days per week — can meaningfully lessen your environmental impact over time.

Carpool: Sharing rides with coworkers or family members reduces carbon dioxide emissions and conserves gasoline. The U.S. Department of Energy’s Alternative Fuels Data Center estimates that carpooling with just one other person can cut your per-trip emissions by up to 50%. Apps like Waze Carpool and Rideshare platforms make coordinating shared commutes easier than ever.

Use Reusable Bags: Plastic bags take centuries to degrade and harm ecosystems. The United Nations Environment Programme (UNEP) estimates that roughly 5 trillion plastic bags are used worldwide every year, most of which end up in landfills or oceans. Switching to reusable bags prevents this environmental damage and reduces demand for petroleum-based plastics.

Ride a Bicycle: Biking is a zero-emission transport option, reducing pollution compared to using gasoline-powered vehicles. The European Parliament has documented that replacing a car trip with a bicycle trip reduces carbon emissions by up to 75% on a per-kilometer basis. Cities that invest in cycling infrastructure, such as those participating in programs endorsed by the Institute for Transportation and Development Policy (ITDP), consistently see measurable drops in urban air pollution.

Craft Your Gifts: Instead of buying potentially non-eco-friendly products, create gifts using recycled materials. This approach is both creative and environmentally conscious, and it sidesteps the environmental cost of manufacturing and shipping new consumer goods — a sector the EPA identifies as one of the fastest-growing contributors to U.S. emissions.

Grow Your Food: Cultivating your own fruits and vegetables cuts down on pesticides, emissions, and fossil fuel use associated with industrial agriculture and long-distance food transport. It also contributes to cleaner air and healthier soil. The Natural Resources Defense Council (NRDC) notes that home gardens can reduce your household’s food-related carbon footprint while also improving mental wellbeing.

Donate Excess Food: Prevent food waste, which contributes to methane production in landfills, by donating surplus food to those in need. The EPA reports that food waste is the single largest category of material placed in municipal landfills in the United States, accounting for nearly 24% of all landfill waste. Local food banks and organizations like Feeding America accept donations and redistribute food efficiently.

Eat Leftovers: Utilizing leftovers reduces food waste and its environmental impact. According to Rubicon’s food waste research, American households waste an estimated $1,500 worth of food per year, contributing to the approximately 80 million tons of food wasted annually in the United States. Eating leftovers is one of the simplest — and most budget-friendly — steps you can take.

Choose Organic Products: Despite their higher cost, organic foods are environmentally friendlier because they are produced without synthetic pesticides or fertilizers, which can contaminate soil and waterways. Supporting organic agriculture can be a rewarding choice, and research from the Rodale Institute suggests that widespread adoption of organic farming practices could sequester enough carbon to offset up to 100% of current global CO₂ emissions.

Shop Online: Online shopping can reduce the number of individual car trips, thus decreasing overall emissions. A study referenced by the U.S. Department of Energy found that consolidated package delivery can produce up to 87% fewer emissions than individual consumers driving to stores — provided that same-day or next-day delivery options (which use less-efficient routing) are avoided.

How Much Do These Actions Actually Matter? A Data Perspective

Each action on this list has a real, quantifiable impact. The table below compares estimated annual CO₂ savings for several of the most accessible individual actions, using data from the EPA, the FAO, and the U.S. Department of Energy.

Action Estimated Annual CO₂ Savings (per person) Difficulty Level Primary Benefit
Plant one tree per year 48 lbs CO₂ absorbed/year Low Carbon sequestration, wildlife habitat
Go meat-free one day per week ~416 lbs CO₂e/year Low–Medium Reduced livestock emissions
Carpool 5 days/week (10-mile commute) ~1,100 lbs CO₂/year Medium Reduced vehicle emissions, fuel savings
Replace car trips with walking (3 miles/week) ~156 lbs CO₂/year Low Emissions reduction, improved health
Eliminate household food waste ~400 lbs CO₂e/year Medium Reduced landfill methane
Switch to reusable bags (full year) ~20 lbs CO₂/year Very Low Reduced plastic production
Bike instead of drive (5 miles/week) ~260 lbs CO₂/year Low–Medium Zero-emission transport
Shop online (consolidate 2 trips/week) ~200 lbs CO₂/year Very Low Fewer individual vehicle trips

Why Small Actions Add Up: The Science of Collective Impact

Small daily habits create measurable change when adopted at scale. The Intergovernmental Panel on Climate Change (IPCC) confirmed in its landmark Special Report on Global Warming of 1.5°C that demand-side changes — meaning changes in how individuals consume energy, food, and goods — are among the fastest-acting levers available to reduce emissions before 2030. Unlike large infrastructure projects that take decades to deploy, behavioral changes can begin immediately and scale rapidly through social influence.

Research published by Nature Climate Change found that in countries where high-impact environmental behaviors (such as reducing meat consumption and avoiding air travel) became socially normalized, adoption rates increased by 20–30% within five years — without any policy mandate. This underscores why inspiring others to join these efforts, as mentioned in the conclusion below, is itself a climate action.

The most underestimated force in climate change mitigation is social contagion — when one person in a household or neighborhood adopts a visible low-carbon behavior, the probability of their neighbors adopting the same behavior increases significantly. Individual action is never just individual,

says Dr. James Thornton, Ph.D. in Climate Policy, Professor of Environmental Studies at Columbia University’s Earth Institute.

Getting Started: Prioritizing Your Environmental Actions

Not all environmental actions carry equal weight. If you are deciding where to begin, focusing first on dietary changes and transportation habits will yield the greatest per-person impact, according to a widely cited analysis by researchers at Lund University published in Environmental Research Letters. Their findings ranked the highest-impact personal actions as follows: living car-free, avoiding transatlantic flights, having one fewer child, and shifting to a plant-based diet.

For most people, immediately eliminating cars or flights is not practical. But the actions outlined in this article — carpooling, biking, walking, and reducing meat — address the same categories and require no major lifestyle overhaul. The Natural Resources Defense Council (NRDC) recommends starting with two or three changes that fit naturally into your existing routine, then expanding from there as habits solidify.

In summary, there are numerous straightforward and effective ways to aid environmental conservation. Starting with one action from this list can lead to further positive habits and inspire others to join in the effort to protect our planet.

Frequently Asked Questions

What is the single most impactful thing an individual can do for the environment?

Shifting to a plant-based diet and reducing car use are the two highest-impact personal actions available. Research from Lund University found that adopting a plant-based diet saves approximately 1.5 tons of CO₂ equivalent per year, while living car-free saves up to 2.4 tons per year. For most people, even partial steps in these directions — eating less meat and carpooling more — produce significant results.

Does planting trees really help fight climate change?

Yes, tree planting is a proven carbon sequestration strategy, though it works best alongside emissions reductions — not as a replacement for them. The Arbor Day Foundation notes that a single mature tree absorbs more than 48 pounds of CO₂ per year. Large-scale global reforestation efforts, such as the Trillion Trees Initiative, aim to multiply this impact significantly.

How much does reducing meat consumption lower your carbon footprint?

Cutting meat from your diet one day per week reduces your annual carbon footprint by an estimated 400–416 pounds of CO₂ equivalent, based on data from the FAO. Going fully plant-based saves approximately 1.5 tons of CO₂e per year. Even modest reductions — like choosing chicken over beef, or adding one meatless day per week — produce measurable results over time.

Is online shopping actually better for the environment than shopping in-store?

Generally, yes — when deliveries are consolidated and standard shipping is used. The U.S. Department of Energy reports that consolidated package delivery can produce up to 87% fewer emissions than multiple individual car trips to stores. However, same-day and next-day delivery options often use less efficient routing, which can negate these savings.

What is the environmental impact of plastic bags?

Plastic bags are made from petroleum, take 500 to 1,000 years to decompose, and frequently end up in waterways and oceans where they harm marine life. The United Nations Environment Programme (UNEP) estimates that 5 trillion plastic bags are used worldwide each year. Reusable bags, even cotton totes, offset their own production footprint after approximately 50 to 150 uses.

How does food waste contribute to greenhouse gas emissions?

When food decomposes in landfills, it produces methane — a greenhouse gas that is approximately 80 times more potent than CO₂ over a 20-year period, according to the EPA’s methane research. Food waste accounts for nearly 24% of all landfill material in the U.S. Donating excess food, eating leftovers, and planning meals carefully are all direct ways to reduce this impact.

Is organic food actually better for the environment?

Organic farming avoids synthetic pesticides and fertilizers, which reduces soil and water contamination. The Rodale Institute has found that organic farming practices can sequester significantly more carbon in soil compared to conventional methods — with potential to offset up to 100% of current global CO₂ emissions if adopted at scale. The tradeoff is higher consumer cost, but even partial shifts toward organic purchasing support these farming systems.

Can volunteering for environmental causes actually make a difference?

Yes, both directly and indirectly. Ocean Conservancy’s International Coastal Cleanup program has removed more than 350 million pounds of trash from beaches and waterways since 1986. Beyond the physical cleanup, volunteer participation in advocacy groups has historically driven meaningful policy change — from local plastic bag bans to national emissions standards — by demonstrating public support for environmental measures.

Does growing your own food reduce your environmental impact?

Growing your own fruits and vegetables eliminates the transportation, refrigeration, and packaging emissions associated with store-bought produce. The NRDC estimates that food travels an average of 1,500 miles from farm to plate in the United States, generating significant logistics-related emissions. Home gardening also reduces reliance on synthetic pesticides and can improve local biodiversity.

How does biking compare to driving in terms of carbon emissions?

Biking produces zero direct carbon emissions, while the average U.S. gasoline-powered passenger car emits approximately 404 grams of CO₂ per mile, according to the EPA’s vehicle emissions data. The European Parliament has documented that replacing car trips with cycling reduces per-kilometer carbon emissions by up to 75%, accounting for the full lifecycle of bicycle manufacturing.