| .0C | | | coal | | | Green New Deal | | | Radiative Forcing | |
| .5C | | | Coal-free | | | greener life | | | renewable | |
| 100% Renewable | | | Coral | | | Greenhouse | | | Renewable energy | |
| 99 Percent Movement | | | Dakota Access Pipeline | | | Greenhouse Gas Emissions | | | Roadmap | |
| Acidification | | | Deforestation | | | Greenland | | | save life on Earth | |
| Air Pollution | | | Disaster | | | Greenwashing | | | save the earth | |
| Albedo | | | doomed | | | Heat Wave | | | save the world | |
| Amazon | | | Drought | | | hotter future | | | Sea ice | |
| Antarctic | | | Earth Day | | | Hottest | | | Sea Level | |
| Arctic | | | Electric Car | | | Hurricane Irene | | | Sea Level Rise | |
| Atlantic | | | Electric grid and storage | | | Hurricane Katrina | | | Sequestration | |
| Atmosphere | | | Electricity | | | Hurricane Matthew | | | Snow Cover | |
| battery | | | emissions | | | Hurricane Sandy | | | Soil Carbon | |
| Big Oil | | | Energy | | | IPCC | | | Solar | |
| Biofuels | | | Energy Efficiency | | | Keystone XL | | | Solar Energy | |
| Cap And Trade | | | Environment | | | Mangroves | | | Solar Power | |
| Carbon | | | existential crisis | | | March For Science | | | Sun | |
| carbon credits | | | Extinction Rebellion | | | Methane | | | tarsands | |
| Carbon cycle | | | Extinction Rebels | | | Migration | | | Temperature | |
| carbon dioxide | | | extreme rainfall | | | NASA | | | Tesla | |
| Carbon Emissions | | | Extreme Weather | | | Natural Gas | | | Tipping point | |
| Carbon sequestration | | | Feedback | | | NOAA | | | Tragedy of the Commons | |
| carbon tax | | | flood | | | Nuclear | | | Transportation | |
| CH4 | | | Food Insecurity | | | Nuclear energy | | | tree-planting drones | |
| Clean Energy Economy | | | Forest | | | Ocean | | | uptake | |
| Clean Power Plan | | | Fossil Fuel | | | ocean carbon | | | Warming | |
| Climate | | | Fracking | | | Ocean circulation | | | Weather | |
| Climate Change | | | Geoengineering | | | Ocean current | | | Wildfire | |
| Climate Change Denier | | | GHG | | | Offshore Drilling | | | Wind | |
| Climate Disruption | | | Glacier | | | Oil And Gas | | | Wind Energy | |
| Climate March | | | Global Boiling | | | Oil Spill | | | Wind farms | |
| Climate Science | | | global catastrophe | | | Paleoclimate | | | Winter | |
| Climate Sensitivity | | | Global Health | | | Paris Agreement | | | zero-emission | |
| Climate Solutions | | | Global Warming | | | Permafrost | | | | |
| CO2 | | | Green Building | | | Polar Vortex | | | |
|