Which in the atmosphere protects us from harmful UV radiation?

What results from livestock and other agricultural practices and by the decay of organic waste in municipal solid waste landfills?

These gases are typically emitted in smaller quantities, but because they are potent greenhouse gases, they are sometimes referred to as High Global Warming Potential gases ("High GWP gases").

Accounts for 81.6% of all U.S. greenhouse gas emissions from human activities.

Pound for pound, the comparative impact of CH4 is more than ___ times greater than CO2 over a 100-year period.

______ is emitted to the atmosphere during the production, processing, storage, transmission, and distribution of natural gas.

The primary source of CH4 emissions is _______.

_______ is removed from the atmosphere when it is absorbed by certain types of bacteria or destroyed by ultraviolet radiation or chemical reactions.

HFCs, PFCs, NF3, SF6

Chlorofluorocarbons and HCFCs are being phased out under an international agreement, called the __________.

In 2016 the combustion of fossil fuels to generate electricity was the largest single source of ____ emissions in the nation.