The 10 Highest-Impact Climate Actions You Can Take in 2025 (Backed by Science)

Not all climate actions are created equal. Focusing on high-impact actions helps you make the biggest difference in reducing your personal carbon footprint.

Backed by scientific research from The Climate Change Committee (The CCC), The UK GHG database, Project Drawdown, the EPA, and leading universities, these 10 actions are proven to have the most significant impact.

Switch to Renewable Energy
1

Switch to Renewable Energy

Switching your home to renewable energy - like solar panels or green energy providers - is one of the most impactful actions you can take.

Estimated Impact:Up to 2.5 tons CO₂/year
Source: The CCC, UK GHG database, Project Drawdown
Track Your Energy Impact
Reduce or Eliminate Air Travel
2

Reduce or Eliminate Air Travel

Air travel produces some of the highest per-person emissions. A single round-trip transatlantic flight can produce 1–3 tons of CO₂ per passenger. Limiting flights, especially long-haul trips, makes a significant difference.

Estimated Impact:1-3 tons CO₂ per round-trip flight
Source: The CCC, The UK GHG database, EPA, Carbon Trust
Calculate Your Travel Impact
Switch to an Electric Vehicle
3

Switch to an Electric Vehicle

Transportation is a major source of emissions. Switching from a gasoline car to an electric vehicle can reduce your transportation emissions by 50–70%, depending on your local energy grid. Charging with renewable energy further reduces your footprint.

Estimated Impact:2-4 tons CO₂/year reduction
Source: The CCC, The UK GHG database, Union of Concerned Scientists
Track Your Transportation Impact
Reduce Meat Consumption (Especially Beef)
4

Reduce Meat Consumption (Especially Beef)

Animal agriculture, especially beef and lamb, is a major emitter. Reducing beef+lamb consumption by half can save 1.5 tons of CO₂ per year. Even reducing meat slightly or shifting to plant-based meals makes a real difference.

Estimated Impact:1.5-2 tons CO₂/year (reducing beef)
Source: The CCC, UK GHG database, Nature Food, Oxford University
Track Your Food Choices
Improve Home Energy Efficiency
5

Improve Home Energy Efficiency

Heating and cooling account for a large portion of household energy use. Simple actions like upgrading insulation, sealing air leaks, using a programmable thermostat, and switching to energy-efficient appliances can reduce home energy consumption by 20-30%.

Estimated Impact:1-2 tons CO₂/year reduction
Source: The CCC, The UK GHG database, Energy Star, EPA
Track Your Home Energy Use
Use Public Transport, Walk, or Bike
6

Use Public Transport, Walk, or Bike

Replacing car trips with public transport, walking, or cycling significantly reduces emissions.

Estimated Impact:Up to 2.2 tons CO₂/year
Source: The CCC, The UK GHG database, American Public Transportation Association
Track Your Commute Impact
Reduce Food Waste
7

Reduce Food Waste

Food waste in landfills produces methane, a potent greenhouse gas. The UN estimates that if food waste were a country, it would be the third-largest emitter. Reducing food waste by planning meals, storing food properly, and composting can significantly cut your carbon footprint.

Estimated Impact:0.5-1 ton CO₂/year reduction
Source: The CCC, The UK GHG database, UN Environment Programme
Track Your Food Waste Reduction
Switch to LED Lighting
8

Switch to LED Lighting

LED bulbs use up to 90% less energy than incandescent bulbs and last 25 times longer. While individually smaller, they add up when combined with other efficiency measures.

Estimated Impact:0.1-0.3 tons CO₂/year
Source: The CCC, The UK GHG database, Department of Energy
Track Your Energy Savings
Reduce Water Consumption
9

Reduce Water Consumption

Water treatment and heating consume significant energy. Using water-efficient fixtures, fixing leaks, and shorter showers reduces both water and energy use. Heating water accounts for about 18% of home energy use.

Estimated Impact:0.2-0.5 tons CO₂/year
Source: The CCC, The UK GHG database, EPA WaterSense
Track Your Water Impact
Support Renewable Energy and Green Programs
10

Support Renewable Energy and Green Programs

Even if you can't install solar panels, you can still support the transition to clean energy by choosing green energy providers, joining community solar programs, buying renewable energy certificates, or supporting local and national climate initiatives such as The Climate App!

Estimated Impact:1-2 tons CO₂/year
Source: The CCC, The UK GHG database, EPA Green Power Partnership
Support The Climate App

Ready to Start Tracking Your Climate Impact?

Taking action is just the first step. Tracking your progress helps you see the real impact you're making and stay motivated. The Climate App makes it easy to log your climate actions, see your carbon footprint reduction, and connect with others who are making a difference.

Join thousands of users already tracking their climate impact and making a real difference.

Share This Guide

Help others discover high-impact climate actions. Share this guide with friends, family, and your community.