Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming. A chat with Paul Hawken about his ambitious new effort to “map, measure, and model” global warming solutions.
vox 
Drawdown is based on meticulous research that maps, measures, models, and describes the most substantive solutions to global warming that already exist. It is the most important goal for humanity to undertake. site
| Solution | Sector | CO2
| Refrigerant Management
| Materials
| 89.74
| Wind Turbines (Onshore)
| Energy
| 84.60
| Reduced Food Waste
| Food
| 70.53
| Plant-Rich Diet
| Food
| 66.11
| Tropical Forests
| Land Use
| 61.23
| Educating Girls
| Women
| 59.60
| Family Planning
| Women
| 59.60
| Solar Farms
| Energy
| 36.90
| Silvopasture
| Food
| 31.19
| Rooftop Solar
| Energy
| 24.60
| Regenerative Agriculture
| Food
| 23.15
| Temperate Forests
| Land Use
| 22.61
| Peatlands
| Land Use
| 21.57
| Tropical Staple Trees
| Food
| 20.19
| Afforestation
| Land Use
| 18.06
| Conservation Agriculture
| Food
| 17.35
| Tree Intercropping
| Food
| 17.20
| Geothermal
| Energy
| 16.60
| Managed Grazing
| Food
| 16.34
| Nuclear
| Energy
| 16.09
| Clean Cookstoves
| Food
| 15.81
| Wind Turbines (Offshore)
| Energy
| 14.10
| Farmland Restoration
| Food
| 14.08
| Improved Rice Cultivation
| Food
| 11.34
| Concentrated Solar
| Energy
| 10.90
| Electric Vehicles
| Transport
| 10.80
| District Heating
| Cities
| 9.38
| Multistrata Agroforestry
| Food
| 9.28
| Wave and Tidal
| Energy
| 9.20
| Methane Digesters (Large)
| Energy
| 8.40
| Insulation
| Cities
| 8.27
| Ships
| Transport
| 7.87
| LED Lighting (Household)
| Cities
| 7.81
| Biomass
| Energy
| 7.50
| Bamboo
| Land Use
| 7.22
| Alternative Cement
| Materials
| 6.69
| Mass Transit
| Transport
| 6.57
| Forest Protection
| Land Use
| 6.20
| Indigenous Peoples’ Land
| Land Use
| 6.19
| Trucks
| Transport
| 6.18
| Solar Water
| Energy
| 6.08
| Heat Pumps
| Cities
| 5.20
| Airplanes
| Transport
| 5.05
| LED Lighting (Commercial)
| Cities
| 5.04
| Building Automation
| Cities
| 4.62
| Water Saving - Home
| Materials
| 4.61
| Bioplastic
| Materials
| 4.30
| In-Stream Hydro
| Energy
| 4.00
| Cars
| Transport
| 4.00
| Cogeneration
| Energy
| 3.97
| Perennial Biomass
| Land Use
| 3.33
| Coastal Wetlands
| Land Use
| 3.19
| System of Rice Intensification
| Food
| 3.13
| Walkable Cities
| Cities
| 2.92
| Household Recycling
| Materials
| 2.77
| Industrial Recycling
| Materials
| 2.77
| Smart Thermostats
| Cities
| 2.62
| Landfill Methane
| Cities
| 2.50
| Bike Infrastructure
| Cities
| 2.31
| Composting
| Food
| 2.28
| Smart Glass
| Cities
| 2.19
| Women Smallholders
| Women
| 2.06
| Telepresence
| Transport
| 1.99
| Methane Digesters (Small)
| Energy
| 1.90
| Nutrient Management
| Food
| 1.81
| High-speed Rail
| Transport
| 1.52
| Farmland Irrigation
| Food
| 1.33
| Waste-to-Energy
| Energy
| 1.10
| Electric Bikes
| Transport
| 0.96
| Recycled Paper
| Materials
| 0.90
| Water Distribution
| Cities
| 0.87
| Biochar
| Food
| 0.81
| Green Roofs
| Cities
| 0.77
| Trains
| Transport
| 0.52
| Ridesharing
| Transport
| 0.32
| Micro Wind
| Energy
| 0.20
| Energy Storage (Distributed)
| Energy
| N/A
| Energy Storage (Utilities)
| Energy
| N/A
| Grid Flexibility
| Energy
| N/A
| Microgrids
| Energy
| N/A
| Net Zero Buildings
| Cities
| N/A
| Retrofitting
| Cities
| N/A
| |
.
Bret Victor offered his assessment of technological opportunities in Let's Worry about the Train.