The ruins of an ancient lost city were discovered in eastern Ecuador.
$10 billion was pledged to help fight climate change by Amazon's CEO, Jeff Bezos.
The Brazilian Space Agency announced that the country's Amazon rainforest had suffered its biggest spike in deforestation in over a decade.
Leonardo DiCaprio's environmental fund donated $5 million in the battle against Amazon rainforest fires that were devastating the area.
Amazon became the second company in the world to be worth over $1 trillion.
Jeff Bezos, the founder of Amazon, was listed as the richest person on Forbes.
Amazon announced its first drone delivery.
Amazon opened its first Amazon Go Grocery store in Seattle, Washington.
Amazon was incorporated.