Definition of "global warming" []

• An increase in the average temperature of the earth's atmosphere, especially a sustained increase sufficient to cause climatic change. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Mr. Swaminathan also appealed to the students to spread awareness among people on global warming and other environment related issues."
• "If global warming is a problem, Brand and his ex-friends own it."
• "At the sudden order of the Great Namechanger, global warming was iced and global climate change took its place."