What is Global warming?
{{About|climate change happening on Earth now|climate change in general|Climate change}} <noinclude> {{multiple image | perrow = 1 / 2 | total_width = 310 | image1 = Bobcat Fire, Los Angeles, San Gabriel Mountains.jpg | alt1 = Bobcat Fire in Monrovia, CA, September 10, 2020 | image2 = Bleached colony of Acropora coral.jpg | alt2 = Bleached colony of Acropora coral | image4 = California Drought Dry Lakebed 2009.jpg | alt4 = A dry riverbed in [[droughts in California|California]], which is experiencing its worst [[megadrought]] in 1,200 years.<ref>{{cite web|url=https://www.cbsnews.com/amp/news/water-cutbacks-california-6-million-people-drought/|title=California is rationing water amid its worst drought in 1,200 years|author=Irina Ivanova|publisher=[[CBS News]]|date=June 2, 2022}}</ref> | footer = Some things global warming makes worse (clockwise from top left): [[Wildfire]]s, [[drought]]s, and [[coral bleaching|dead coral]] killed by the ocean getting more hot and [[acidic]]. }}</noinclude> [[File:Change in Average Temperature.svg|thumb|right| Places that have become warmer (red) and cooler (blue) over the past 50 years]] [[File:20200324 Global average temperature - NASA-GISS HadCrut NOAA Japan BerkeleyE.svg|thumb| Earth's average temperature has increased since the [[Industrial Revolution]].]] '''Global warming''' is the global rise in [[temperature]] of the air and oceans. It is happening mainly because humans burn [[coal]], [[oil]], [[natural gas]], and cut down forests.<ref>{{Cite web|url=https://www.nationalgeographic.com/environment/global-warming/global-warming-overview/|title=What Is Global Warming?|date=2019-01-22|website=National Geographic}}</ref> Average temperatures today are about {{convert|1.3|C-change|F-change|abbr=}} higher than before [[Industrial Revolution|people started burning a lot of coal]] around 1750.<ref>{{Cite news|date=2013-09-23|title=What is climate change? A really simple guide|language=en-GB|work=BBC News|url=https://www.bbc.com/news/science-environment-24021772|access-date=2