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ScienceDaily: Earth & Climate News |
| Newly discovered African 'climate seesaw' drove human evolution Posted: 31 May 2021 12:32 PM PDT A scientific consortium has found that ancient El Niño-like weather patterns were the primary drivers of environmental change in sub-Saharan Africa over the last 620 thousand years - the critical time-frame for the evolution of our species. The group found that these ancient weather patterns had more profound impacts in sub-Saharan Africa than glacial-interglacial cycles more commonly linked to human evolution. |
| Global warming already responsible for one in three heat-related deaths Posted: 31 May 2021 09:09 AM PDT Between 1991 and 2018, more than a third of all deaths in which heat played a role were attributable to human-induced global warming, according to a new article. |
| The price is right: Modeling economic growth in a zero-emission society Posted: 31 May 2021 09:09 AM PDT With increasing public awareness of crises associated with degraded environments and mounting pressure to act, governments worldwide have begun to examine environmentally sustainable policies. However, there are many questions about whether enacting these policies will negatively affect economic growth. Now, a model suggests that sustained GDP growth is possible even after spending to clean up pollution as it is created, providing hope that a zero-emission society is an achievable goal. |
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