Global Warming And Climate Change Essay

Global Warming And Climate Change Essay-66
When carbon dioxide reacts with seawater, it leads to a decline in p H, a process known as ocean acidification.

When carbon dioxide reacts with seawater, it leads to a decline in p H, a process known as ocean acidification.Increased acidity eats away at the calcium carbonate shells and skeletons that many ocean organisms depend on for survival.Extreme weather Another impact of global warming: extreme weather.

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Hotter oceans evaporate more moisture, which is the engine that fuels these storms.

The International Panel on Climate Change (IPCC) predicts that even if the planet diversifies its energy sources and transitions to a less fossil-fuel intense economy (known as the A1B scenario), tropical cyclones are likely to be up to 11 percent more intense on average.

In 2017, though, this pattern of record-high ice abruptly reversed, with a record low.

On March 3, 2017, Antarctic sea ice was measured at an extent of 71,000 square miles (184,000 square kilometers) less than the previous low from 1997.

The Southwest and Central Plains of the United States, for example, are expected to experience decades-long "megadroughts" harsher than anything else in human memory."The future of drought in western North America is likely to be worse than anybody has experienced in the history of the United States," Benjamin Cook, a climate scientist at NASA's Goddard Institute for Space Studies in New York City who published research projecting these droughts in 2015, told Live Science.

"These are droughts that are so far beyond our contemporary experience that they are almost impossible to even think about."The study predicted an 85 percent chance of droughts lasting at least 35 years in the region by 2100.The peninsula is where the Larsen C ice shelf just rifted in July 2017, spawning an iceberg the size of Delaware.The sea ice off Antarctica is very variable, though, and some areas have actually hit record highs in recent years — though those record highs could bear the fingerprints of climate change, as they might result from land-based ice moving out to sea as the glaciers melt, or in warming-related changes to wind.Hotter and drier Global warming will change things between the poles, too.Many already-dry areas are expected to become even drier as the world warms.Oceans act as a carbon sink — they absorb dissolved carbon dioxide.That's not a bad thing for the atmosphere, but it isn't great for the marine ecosystem.According to the National Centers for Environmental Information, extreme snowstorms in the eastern United States have become twice as common since the early 1900s.Again, warming ocean temperatures lead to increased evaporation of moisture into the atmosphere.Meanwhile, 2014 research finds that many areas will likely see less rainfall as the climate warms.Subtropical regions, including the Mediterranean, the Amazon, Central America and Indonesia will likely be hardest hit, that study found, while South Africa, Mexico, western Australia and California will also dry out.


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