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World agriculture is polluting our planet
The mysterious island of Socotra
Fire Drill Fridays, Jane Fonda's climate fight
How to make your own zero-waste lip balm
Two monarch butterfly advocates found dead in Mexico
Monarch butterflies may go extinct
Sri Lanka: new measures against deforestation
'Cocaine hippos' threaten ecosystems in Colombia
What can we use instead of palm oil?
The North Pole is warming up twice as fast as the rest of the planet
San Francisco, model sustainable city
Over half a million hermit crabs were found dead