Tuesday 21st March 2:21 pm
How humankind has changed our planet
Tuesday 21st February 2017 3:42 pm
GREAT MOMENTS IN SCIENCE: Many factors have contributed to how Earth has changed over time, but humankind has been a major contributor in a relatively short period of time, writes Dr Karl.
Read more here:: Great moments in science
This blog first appeared on Dr Karl's Great Moments in Science
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