Drawdown Wiki

Materials

Refrigerant Management

# 1

Cost: N/A

Savings: -902.77 Billion

CO2 Reduction: 89.74 Gigatons

Electricity Generation

Wind Turbines (Onshore)

# 2

Cost: 1,225.37 Billion

Savings: 7,425.00 Billion

CO2 Reduction: 84.6 Gigatons

Food

Reduced Food Waste

# 3

Cost: N/A

Savings: N/A

CO2 Reduction: 70.53 Gigatons

Food

Plant-Rich Diet

# 4

Cost: N/A

Savings: N/A

CO2 Reduction: 66.11 Gigatons

Land Use

Tropical Forests

# 5

Cost: N/A

Savings: N/A

CO2 Reduction: 61.23 Gigatons

Women and Girls

Educating Girls

# 6

Cost: N/A

Savings: N/A

CO2 Reduction: 51.48 Gigatons

Women and Girls

Family Planning

# 7

Cost: N/A

Savings: N/A

CO2 Reduction: 51.48 Gigatons

Electricity Generation

Solar Farms

# 8

Cost: -80.60 Billion

Savings: 5,023.84 Billion

CO2 Reduction: 36.9 Gigatons

Food

Silvopasture

# 9

Cost: 41.59 Billion

Savings: 699.37 Billion

CO2 Reduction: 31.19 Gigatons

Electricity Generation

Rooftop Solar

# 10

Cost: 453.14 Billion

Savings: 3,457.63 Billion

CO2 Reduction: 24.6 Gigatons

Food

Regenerative Agriculture

# 11

Cost: 57.22 Billion

Savings: 1,928.10 Billion

CO2 Reduction: 23.15 Gigatons

Land Use

Temperate Forests

# 12

Cost: N/A

Savings: N/A

CO2 Reduction: 22.61 Gigatons

Land Use

Peatlands

# 13

Cost: N/A

Savings: N/A

CO2 Reduction: 21.57 Gigatons

Food

Tropical Staple Trees

# 14

Cost: 120.07 Billion

Savings: 626.97 Billion

CO2 Reduction: 20.19 Gigatons

Land Use

Afforestation

# 15

Cost: 29.44 Billion

Savings: 392.33 Billion

CO2 Reduction: 18.06 Gigatons

Food

Conservation Agriculture

# 16

Cost: 37.53 Billion

Savings: 2,119.07 Billion

CO2 Reduction: 17.35 Gigatons

Food

Tree Intercropping

# 17

Cost: 146.99 Billion

Savings: 22.10 Billion

CO2 Reduction: 17.2 Gigatons

Electricity Generation

Geothermal

# 18

Cost: -155.48 Billion

Savings: 1,024.34 Billion

CO2 Reduction: 16.6 Gigatons

Food

Managed Grazing

# 19

Cost: 50.48 Billion

Savings: 735.27 Billion

CO2 Reduction: 16.34 Gigatons

Electricity Generation

Nuclear

# 20

Cost: 0.88 Billion

Savings: 1,713.40 Billion

CO2 Reduction: 16.09 Gigatons

Food

Clean Cookstoves

# 21

Cost: 72.16 Billion

Savings: 166.28 Billion

CO2 Reduction: 15.81 Gigatons

Electricity Generation

Wind Turbines (Offshore)

# 22

Cost: 545.30 Billion

Savings: 762.50 Billion

CO2 Reduction: 14.1 Gigatons

Food

Farmland Restoration

# 23

Cost: 72.24 Billion

Savings: 1,342.47 Billion

CO2 Reduction: 14.08 Gigatons

Food

Improved Rice Cultivation

# 24

Cost: N/A

Savings: 519.06 Billion

CO2 Reduction: 11.34 Gigatons

Electricity Generation

Concentrated Solar

# 25

Cost: 1,319.70 Billion

Savings: 413.85 Billion

CO2 Reduction: 10.9 Gigatons

Transport

Electric Vehicles

# 26

Cost: 14,148.00 Billion

Savings: 9,726.40 Billion

CO2 Reduction: 10.8 Gigatons

Buildings and Cities

District Heating

# 27

Cost: 457.10 Billion

Savings: 3,543.50 Billion

CO2 Reduction: 9.38 Gigatons

Food

Multistrata Agroforestry

# 28

Cost: 26.76 Billion

Savings: 709.75 Billion

CO2 Reduction: 9.28 Gigatons

Electricity Generation

Wave and Tidal

# 29

Cost: 411.84 Billion

Savings: -1,004.70 Billion

CO2 Reduction: 9.2 Gigatons

Electricity Generation

Methane Digesters (Large)

# 30

Cost: 201.41 Billion

Savings: 148.83 Billion

CO2 Reduction: 8.4 Gigatons

Buildings and Cities

Insulation

# 31

Cost: 3,655.92 Billion

Savings: 2,513.33 Billion

CO2 Reduction: 8.27 Gigatons

Transport

Ships

# 32

Cost: 915.93 Billion

Savings: 424.38 Billion

CO2 Reduction: 7.87 Gigatons

Buildings and Cities

LED Lighting (Household)

# 33

Cost: 323.52 Billion

Savings: 1,729.54 Billion

CO2 Reduction: 7.81 Gigatons

Electricity Generation

Biomass

# 34

Cost: 402.31 Billion

Savings: 519.35 Billion

CO2 Reduction: 7.5 Gigatons

Land Use

Bamboo

# 35

Cost: 23.79 Billion

Savings: 264.80 Billion

CO2 Reduction: 7.22 Gigatons

Materials

Alternative Cement

# 36

Cost: -273.90 Billion

Savings: N/A

CO2 Reduction: 6.69 Gigatons

Transport

Mass Transit

# 37

Cost: N/A

Savings: 2,379.73 Billion

CO2 Reduction: 6.57 Gigatons

Land Use

Forest Protection

# 38

Cost: N/A

Savings: N/A

CO2 Reduction: 6.2 Gigatons

Land Use

Indigenous Peoples’ Land Management

# 39

Cost: N/A

Savings: N/A

CO2 Reduction: 6.19 Gigatons

Transport

Trucks

# 40

Cost: 543.54 Billion

Savings: 2,781.63 Billion

CO2 Reduction: 6.18 Gigatons

Electricity Generation

Solar Water

# 41

Cost: 2.99 Billion

Savings: 773.65 Billion

CO2 Reduction: 6.08 Gigatons

Buildings and Cities

Heat Pumps

# 42

Cost: 118.71 Billion

Savings: 1,546.66 Billion

CO2 Reduction: 5.2 Gigatons

Transport

Airplanes

# 43

Cost: 662.42 Billion

Savings: 3,187.80 Billion

CO2 Reduction: 5.05 Gigatons

Buildings and Cities

LED Lighting (Commercial)

# 44

Cost: -205.05 Billion

Savings: 1,089.63 Billion

CO2 Reduction: 5.04 Gigatons

Buildings and Cities

Building Automation

# 45

Cost: 68.12 Billion

Savings: 880.55 Billion

CO2 Reduction: 4.62 Gigatons

Materials

Water Saving - Home

# 46

Cost: 72.44 Billion

Savings: 1,800.12 Billion

CO2 Reduction: 4.61 Gigatons

Materials

Bioplastic

# 47

Cost: 19.15 Billion

Savings: N/A

CO2 Reduction: 4.3 Gigatons

Electricity Generation

In-Stream Hydro

# 48

Cost: 202.53 Billion

Savings: 568.36 Billion

CO2 Reduction: 4 Gigatons

Transport

Cars

# 49

Cost: -598.69 Billion

Savings: 1,761.72 Billion

CO2 Reduction: 4 Gigatons

Electricity Generation

Cogeneration

# 50

Cost: 279.25 Billion

Savings: 566.93 Billion

CO2 Reduction: 3.97 Gigatons

Land Use

Perennial Biomass

# 51

Cost: 77.94 Billion

Savings: 541.89 Billion

CO2 Reduction: 3.33 Gigatons

Land Use

Coastal Wetlands

# 52

Cost: N/A

Savings: N/A

CO2 Reduction: 3.19 Gigatons

Food

System of Rice Intensification

# 53

Cost: N/A

Savings: 677.83 Billion

CO2 Reduction: 3.13 Gigatons

Buildings and Cities

Walkable Cities

# 54

Cost: N/A

Savings: 3,278.24 Billion

CO2 Reduction: 2.92 Gigatons

Materials

Household Recycling

# 55

Cost: 366.92 Billion

Savings: 71.13 Billion

CO2 Reduction: 2.77 Gigatons

Materials

Industrial Recycling

# 56

Cost: 366.92 Billion

Savings: 71.13 Billion

CO2 Reduction: 2.77 Gigatons

Buildings and Cities

Smart Thermostats

# 57

Cost: 74.16 Billion

Savings: 640.10 Billion

CO2 Reduction: 2.62 Gigatons

Buildings and Cities

Landfill Methane

# 58

Cost: -1.82 Billion

Savings: 67.57 Billion

CO2 Reduction: 2.5 Gigatons

Buildings and Cities

Bike Infrastructure

# 59

Cost: -2,026.97 Billion

Savings: 400.47 Billion

CO2 Reduction: 2.31 Gigatons

Food

Composting

# 60

Cost: -63.72 Billion

Savings: -60.82 Billion

CO2 Reduction: 2.28 Gigatons

Buildings and Cities

Smart Glass

# 61

Cost: 932.30 Billion

Savings: 325.10 Billion

CO2 Reduction: 2.19 Gigatons

Women and Girls

Women Smallholders

# 62

Cost: N/A

Savings: 87.60 Billion

CO2 Reduction: 2.06 Gigatons

Transport

Telepresence

# 63

Cost: 127.72 Billion

Savings: 1,310.59 Billion

CO2 Reduction: 1.99 Gigatons

Electricity Generation

Methane Digesters (Small)

# 64

Cost: 15.50 Billion

Savings: 13.90 Billion

CO2 Reduction: 1.9 Gigatons

Food

Nutrient Management

# 65

Cost: N/A

Savings: 102.32 Billion

CO2 Reduction: 1.81 Gigatons

Transport

High-speed Rail

# 66

Cost: 1,038.42 Billion

Savings: 368.10 Billion

CO2 Reduction: 1.52 Gigatons

Food

Farmland Irrigation

# 67

Cost: 216.16 Billion

Savings: 429.67 Billion

CO2 Reduction: 1.33 Gigatons

Electricity Generation

Waste-to-Energy

# 68

Cost: 36.00 Billion

Savings: 19.82 Billion

CO2 Reduction: 1.1 Gigatons

Transport

Electric Bikes

# 69

Cost: 106.75 Billion

Savings: 226.07 Billion

CO2 Reduction: 0.96 Gigatons

Materials

Recycled Paper

# 70

Cost: 573.48 Billion

Savings: N/A

CO2 Reduction: 0.9 Gigatons

Buildings and Cities

Water Distribution

# 71

Cost: 137.37 Billion

Savings: 903.11 Billion

CO2 Reduction: 0.87 Gigatons

Food

Biochar

# 72

Cost: N/A

Savings: N/A

CO2 Reduction: 0.81 Gigatons

Buildings and Cities

Green Roofs

# 73

Cost: 1,393.29 Billion

Savings: 988.46 Billion

CO2 Reduction: 0.77 Gigatons

Transport

Trains

# 74

Cost: 808.64 Billion

Savings: 313.86 Billion

CO2 Reduction: 0.52 Gigatons

Transport

Ridesharing

# 75

Cost: N/A

Savings: 185.56 Billion

CO2 Reduction: 0.32 Gigatons

Electricity Generation

Micro Wind

# 76

Cost: 36.12 Billion

Savings: 19.90 Billion

CO2 Reduction: 0.2 Gigatons

Electricity Generation

Energy Storage (Distributed)

# 77

Cost: N/A

Savings: N/A

CO2 Reduction: N/A Gigatons

Electricity Generation

Energy Storage (Utilities)

# 77

Cost: N/A

Savings: N/A

CO2 Reduction: N/A Gigatons

Electricity Generation

Grid Flexibility

# 77

Cost: N/A

Savings: N/A

CO2 Reduction: N/A Gigatons

Electricity Generation

Microgrids

# 78

Cost: N/A

Savings: N/A

CO2 Reduction: N/A Gigatons

Buildings and Cities

Net Zero Buildings

# 79

Cost: N/A

Savings: N/A

CO2 Reduction: N/A Gigatons

Buildings and Cities

Retrofitting

# 80

Cost: N/A

Savings: N/A

CO2 Reduction: N/A Gigatons