The Federal Aviation Administration is inviting pilots to help test "new procedures on the Boeing 737 MAX."
The two countries are involved in an increasingly tense trade war.
President Trump wants Russia back in the G-7, but the group's other members — and Russia itself — may not be sold on the idea.
The Keystone XL Pipeline would carry crude oil from Canada to southern Nebraska.
French President Emmanuel Macron tweeted that the fires are "an international crisis."
There are hundreds of fires burning in the Amazon rainforest, and trying to contain the flames has become an international focus.