Earth Matters

Obama's national monuments are a big deal

8 species on life support

Why are fireflies disappearing?

5 surprising facts about roadrunners

Striking mother-of-pearl clouds may have inspired 'The Scream'

Mom? … Anybody? Adorable bear cub needs a hand with clingy scallop

Town bids farewell to 600-year-old oak

Houston, we have a space debris problem

Common caterpillar found to eat plastic shopping bags

The case for transforming Californian gridlock into a green energy source

See that beautiful river of light? That's 'Steve'

The Arctic is a 'dead end' for ocean plastic

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