2. Answer the questions
a. What is the greenhouse effect?
Is the natural process by which the atmosphere traps some of the Sun's energy, warming the Earth enough to support life.
b. What do most mainstream scientists believe?
The scientists believe a human-driven increase in "greenhouse gases" is increasing the effect artificially.
c. What do you know about the greenhouse effect?
The greenhouse effect can cause air pollution, climate change, global warming and other damages to the planet.
d. What are the greenhouse gases?
These gases include carbon dioxide, emitted by fossil fuel burning and deforestation, and methane, released from rice paddies and landfill sites.