More than a dozen people in the U.S. died in homes that had lost their heat, and most of those were in Texas.
Wind-chill warnings extended from Canada into Mexico.
The year rounds off the hottest decade ever recorded globally.
Dozens of fires are burning amid record-breaking temperatures, straining the state's electrical grid.
Aerial views of Antarctica's Eagle Island show the dramatic melting that took place during a major February heatwave.
"When we got to Starbucks, the employees would not let us come in. While we waited for our lattes, [they] took our temperatures and recorded our information."
2019 was the second-hottest year in recorded history according to the latest climate data.
Coronavirus and other illnesses aren't the only culprits when it comes to not having a normal temperature.
Maine’s shrimp population has declined as its gulf waters have warmed, causing a shrimp fishing ban that may threaten the fishing industry indefinitely.
Above-normal temperatures are expected to continue throughout the rest of the fall.