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Global Warming is the increase of Earth's average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions from burning fossil fuels or from deforestation, which trap heat that would otherwise escape from Earth. This is a type of greenhouse effect.
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. news.bbc.co.uk
Explore: Greenhouse effect
. . . a significant global warming has led to glacier retreat becoming increasingly rapid and ubiquitous, so much so that some glaciers have disappeared altogether, and the existence of a great number of the remaining glaciers of the world is threatened. Wikipedia
www.nmsea.org/.../Global_Warming/fossil_fuels_and_global_warming.htmGlobal Warming is the increase of Earth's average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions from burning fossil fuels or from deforestation, which trap heat that would otherwise escape from Earth. This is a type of greenhouse effect.
www.nrdc.org/globalwarming/Climate change is the greatest environmental threat of our time, endangering our health, communities, economy, and national security.
... Climate change is the single biggest environmental and humanitarian crisis of our time.
The Earth's atmosphere is overloaded with heat-trapping ...
www.climatehotmap.org/about/global-warming-causes.htmlGlobal warming is primarily a problem of too much carbon dioxide (CO2) in the atmosphere—which acts as a blanket, trapping heat and warming the planet.
www.livescience.com/topics/global-warming/The latest articles and facts about global warming and its causes, plus a look at
the effects of climate change: rising sea level and severe weather.
environment.nationalgeographic.com/environment/global-warming/Here's what you need to know about the warming planet, how it's affecting us,
and what's at stake.
www.ucsusa.org/global_warmingThe planet is warming and human activity is the primary cause. Learn about the
science and consequences of global warming -- and the practical solutions we ...
www.livescience.com/37003-global-warming.html15 Dec 2014 ... Global warming is the gradual heating of Earth's surface, oceans and
atmosphere. Scientists have documented the rise in average ...