HEALTH: Climate Change Is Already Affecting Almost Everyone on Earth

dWeb.News Article from Daniel Webster dWeb.News

dWeb.News Article from Daniel Webster dWeb.News

HEALTH:

Oct. 12, 2021 — The effects of climate change span the globe and have reached an overwhelming majority of people on Earth in the form of coastal flooding, wildfires, and other climate-related events, new findings suggest.

Using a special computer program to analyze the sizeable amount of data on climate change, researchers report that about 85% of people have felt its effects, according toresults published Monday in Nature Climate Change.

To come to this conclusion, scientists fed published summaries of more than 100,000 studies on climate change into a computer trained to identify key information. This information was then mapped onto a global grid that included data on precipitation and temperature changes related to human activity.

The maps show the locations where precipitation and temperature shifts, which are both indicators of climate change, were most likely to be related to climate-related outcomes like droughts, floods and fires.

The results indicate that 80% all of Earth’s land (not Antarctica) is being affected by climate change. While almost all temperature shifts favor warming, precipitation changes vary with mixed results, with some areas seeing increases and others experiencing decreases.

Compared with low-income countries, high-income countries had about double the amount of solid evidence for the human factor in climate change, the researchers found. That said, one possible explanation for why the roughly 20% of land mass where human-induced effects were seemingly weaker — like in western Africa and some parts of Asia — is that these areas have been less scrutinized by scientists, the study authors said.

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