1. Refrigeration Management (89.74)
2. Onshore Windfarms (84.60)
3. Reduced Food Waste (70.53)
4. Plant Rich Diet (66.11)
5. Tropical Forests (61.23)
6. Educating Girls (59.60)
7. Family Planning (59.60)
8. Solar Farms (36.90)
9. Silviopasture (31.19)
10. Rooftop Solar (24.60)

According to Drawdown every refrigerator and air conditioner contains chemical refrigerants that absorb and release heat to enable chilling. While refrigerants like CFCs and HCFCs have been phased out because of their role in depleting the ozone layer, HFCs, their primary replacement, spare the ozone layer, but have 1,000 to 9,000 times greater capacity to warm the atmosphere than carbon dioxide. Because 90% of refrigerant emissions happen at end of life, effective disposal of those currently in circulation is essential. After being carefully removed and stored, refrigerants can be purified for reuse or transformed into other chemicals that do not cause warming.

Drawdown says that the food we waste is responsible for roughly 8% of global emissions. The world already produces enough food to support the world's population so it's an absolute travesty that a third of our food goes to waste while there are 800 million of people either malnourished or going without food every day.

Drawdown says that plant-rich diets reduce emissions and also tend to be healthier, leading to lower rates of chronic disease. According to a 2016 study, business-as-usual emissions could be reduced by as much as 70% through adopting a vegan diet and 63% for a vegetarian diet, which includes cheese, milk, and eggs. $1 trillion in annual health-care costs and lost productivity would be saved.

Drawdown says that in recent decades, tropical forests have suffered extensive clearing, fragmentation, degradation, and depletion of biodiversity. Once blanketing 12% of the world’s landmass, they now cover just 5%. While destruction continues in many places, tropical forest restoration is growing and may sequester as much as six gigatons of carbon dioxide per year.