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Project Drawdown Solutions

Project Drawdown is a coalition of scientists, researchers and advisers from all over the world with a goal of providing solutions to reverse global warming. In April 2017, Drawdown released a book of 100 solutions with the potential to do just that.

On this page you will find a new solution each month. We encourage you to apply them to your own life, at work and home, so that we may be able to achieve reversal before it is too late.



April 2019- #75 Ridesharing

When trips are pooled, people split costs, ease traffic, and lighten the load on infrastructure, while curtailing emissions per person.




March 2019- #54 Walkable Cities

Health, prosperity, and sustainability go hand in hand. Having walkable cities minimize the need to use a car and make the choice to forego driving appealing, which can reduce greenhouse gases emissions




February 2019- #33 LED Lighting (Household)

LED’s use 90 percent less energy than incandescent bulbs for the same amount of light, and half as much as compact fluorescents, without toxic mercury. On top of that, an LED bulb will last much longer than either other type.


January 2019- #15 Afforestation

Afforestation can take a variety of forms—from seeding dense plots of diverse indigenous species to introducing a single exotic as a plantation crop. Whatever the structure, afforestation creates a carbon sink, drawing in and holding on to carbon and distributing it into the soil.


December 2018-#43 Airplanes

Today, some 20,000 airplanes are in service around the world, producing at minimum 2.5 percent of annual emissions. With upwards of 50,000 planes expected to take to the skies by 2040—and take to them more often—fuel efficiency will have to rise dramatically if emissions are to be reduced.


November 2018- #68 Waste-to-Energy

In a sustainable world, waste would be reduced from the outset and composted, recycled, or reused. The current reality, however, is that cities and land-scarce countries face a dilemma about what to do with their trash.


October 2018- # 60 Composting

Composting is one the best and easiest things you can do to combat climate change. Composting diverts waste from landfills and when properly treated, can be used as fertilizer for plants, helping them sequester even more carbon—double win!


September 2018- #1 Refrigerant Management

Phasing out ozone-depleting HFCs in addition to choosing Energy Star-rated freezers and fridges might be the most impactful thing you can do for our planet.


August 2018- #26 Electric Vehicles

Electric vehicles require little maintenance, are cheaper to “fuel,” and reduce carbon emissions by a minimum of 50%. If electric vehicle ownership raises only 16% more than the current amount, 10.8 gigatons of C02 could be avoided.


July 2018- #59 Bike Infrastructure

More bike infrastructure means more riders, which in turn brings countless other advantages. Health benefits from biking to work result in happier people, and fewer drivers means cleaner air.


June 2018- #8 Solar Farms

By investing in and putting to use solar power, we have the potential reduce CO2 by roughly 37 gigatons by 2050. This energy supply is virtually unlimited, clean and comes with a set price tag.


May 2018- #4 Plant-Rich Diet

The meat-centric Western diet comes with a steep climate price tag: one-fifth of global emissions. Plant- rich diets are not only healthier for the planet and yourself, but it also saves money. 


April 2018- #6 Educating Girls

The return on educating girls is incalculable. Educated girls contribute to economic growth, have lower maternal and fetal mortality rates, as well as lower incidences of HIV/AIDS and malaria.


March 2018- #3 Reduce Food Waste

One third of food produced does not get eaten. Much of it doesn’t even make it onto the market. By reducing food waste, a minimum of 26.6 gigatons of CO2 could be avoided by 2050, while also reducing deforestation.


February 2018- #73 Green Roofs

Green roofs take advantage of empty roof space for vegetation which act as insulation and sequester carbon. Cool roofs utilize reflection for ‘cooling’. Together, these roofs could reduce 0.8 gigatons of CO2 by 2050.