President Donald Trump called French President Emmanuel Macron's plan to create a united European army "very insulting."
New York Democratic congressional primary winner Alexandria Ocasio-Cortez compared the "existential threat" posed by climate change to that of Nazi Germany during World War II.
"It's going to be challenging, obviously," the Arizona senator said. "That report that came out is pretty dire."
"I think we're still exploring all of that," Larry Kudlow said about how much of climate warming is due to human activities. Ninety-seven percent of climate scientists say human activity is the cause.
As temperatures increase and changes in rainfall patterns continue, crops such as rice, wheat and corn will fail to meet demand.
"It's urgent that we act to curb climate change—and Brett Kavanaugh on the Supreme Court could make progress virtually impossible."
"I'm not going risk my life to catch your flight!" one passenger wrote on Twitter, after Hurricane Lane reached Category 5 in the Central Pacific.
The California governor is lauded as an environmental firebrand. But there's something hinky about Brown's climate leadership, an inconsistency that could threaten his legacy.
"I've heard the climate change argument back and forth. This has nothing to do with climate change. This has to do with active forest management."
So far this month, 120 human cases of the disease have been reported across the EU.
Belgium's drought has approached record levels, and it is hitting the region responsible for bringing a major part of its festive spirit.
Climate change is making hurricanes stronger and threatening the future of the Caribbean islands.
Activists see move as a significant step in efforts to slow environmental degradation.
Tony Abbott, now a member of Parliament, told a group of climate change deniers Tuesday that Australia would not have joined the treaty without the United States.
The head of Iran's meteorological service said that, unless the general knows something he doesn't, there's no way a country can steal clouds.
A stable climate could be key to hosting life.
Scientists simulated global warming inside bee nests to find out what happens if the Earth continues to warm at the predicted pace.
April in the United States may have been colder than usual, but that doesn't mean the climate isn't still warming.
"The shape of the fog hole almost coincides one-to-one with the city boundaries and the size of the city."
Across the country, there was a 30- to 50-degree temperature difference on Wednesday.
The advent of land plants changed the planet forever.
President Donald Trump and the United States were roundly snubbed at this year's World Government Summit, just two years after President Barack Obama delivered the forum's keynote address.