Fishing nets can also pose threats to large whales Elephants counted from space for conservation 科学家利用卫星图像统计非洲大象的数量 Episode 210222 / 22 Feb 2021 Counting elephants from space Traffic noise impairs ...

Iceland has no shortage of natural dangers – volcanic eruptions, glacial floods, scaldingly hot springs and bitterly cold winters. But it is at least one of the few places on Earth where humans don't ...