Scientists warn that “flying rivers” — invisible streams of moisture that carry rain from the Atlantic Ocean westward across the Amazon — are weakening as deforestation and climate change advance.

With Donald Trump settling back into the White House, advocates for the Amazon worry about what his second term will mean for the rainforest.

A toy turtle lays covered in oil during a Greenpeace protest against the government's environmental policies, in front of the Planalto Presidential Palace, in Brasilia, Brazil, Wednesday, Oct. 23, 2019. Greenpeace denounced what they call the government's neglect of environmental issues and slowness to solve problems like the oil spill in the northeast and fires in the Amazon. (AP Photo/Eraldo Peres)RIO DE JANEIRO – Brazil's Navy said Tuesday it is preparing for the possibility that an oil spill reaches one of the country's largest coral reef systems, amid public outcry regarding the government's early response to the spill. Adm. Leonardo Puntel said three ships are already onsite at the reef with another two on the way, and that a helicopter will be conducting flyovers. Brazil's state-run oil company has determined the oil is Venezuelan, but Venezuela's government denies it is the origin.