The excess accumulation of ______ gases causes warming of the earth is called Global Warming.

Greenhouse Gases:

1. Greenhouse gases referred to those gases which forms sheet in the atmosphere and traps heat and reflect it back into the earth's atmosphere, resembling a glass greenhouse.
2. These gases include Carbon dioxide, methane, nitrous oxide, CFCs, etc.
3. These gases are responsible for the warming of the atmosphere.
4. As these forms sheet around the atmosphere of the earth, it raises the temperature of the earth.
5. And causes Global warming.

Final answer: The excess accumulation of greenhouse gases causes warming of the earth is called global warming.