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Opinion
Heartland
2 天
Opinion
Planet Earth’s Natural Resources Are Limited to Its 8 Billion Residents
Today, with 8 billion humans on this planet, the few wealthy countries are extracting natural resources at alarming rates, ...
Knowridge
4 小时
How hydrogen kept early Mars warm
Mars haunts us as a vision of a planet gone wrong. It was once warm and wet, with rivers flowing across its surface and ...
BBC
1 年
Planets of our Solar System
The surface of Venus is dry and rocky with lava flows across parts of the planet. It takes Venus 243 Earth days to spin round on its axis but only 225 days to complete an orbit of the Sun.
14 天
on MSN
Droughts across the West are getting worse - and scientists warn it’s not going to get ...
Persistent and incredibly destructive multi-year droughts will continue to advance as Earth’s climate warms, scientists say ...
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