Carbon Dioxide (CO2)

Trees are often viewed as a climate solution, as they suck carbon dioxide out of the atmosphere. Research also shows that logging pollutes more than previously thought.

Global Thermostat unveiled a direct air carbon capture machine near Denver that it said can draw about 1,000 tons of carbon dioxide out of the atmosphere a year.

This new rule aims to limit leaking, flaring and venting of the potent greenhouse gas, while wringing more in royalties from the companies extracting natural gas.

As the airline industry works to cut its carbon dioxide emissions, a team of researchers believe they've found a "runway" to 100% sustainable aviation fuel.