Axios

Watch out, northerners: The armadillos are coming.

What's happening: The scaly critters have slowly but steadily expanded north from Texas for over a hundred years. Now their movement is rapidly accelerating.

An abnormally wet winter meant only 35% of the lower 48 states experienced drought leading up to Earth Day, the lowest in three years.

Threat level: This year was an anomaly, and reservoirs in the Colorado River Basin are still dropping at alarming rates.