Learn more — USGS offers free online science lectures

What kinds of conservation challenges do migratory big-game animals face?

How bad could rising sea levels get?

How does the military use remote sensing?

You can learn answers to these Earth science-related questions and others via the U.S. Geological Survey’s free online lecture series.

Since 1990, USGS scientists have been giving free lectures about their work on not only geology, which was part of the survey’s original mandate, but also such topics as water resources and biology.

The lectures, which are intended to educate the public about sometimes complicated subjects, use plain language and feature explanations that don’t require a scientific background to understand.

Past lectures have covered everything from the battle against Asian carp, an invasive species in the United States, to scientists’ attempts to reconstruct the world of the late Pliocene epoch 3 million years ago and use it to understand modern climate. Information also is available on earthquakes, mining and mapping.

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