The scientists have been right about climate change all along, says former Vice President Al Gore on the 20th anniversary of the release of "An Inconvenient Truth."
Hawaii's governor signed legislation that boosts a tax imposed on hotel room and vacation rental stays in order to raise money to address climate change.
The newly elected Pope Leo XIV could continue in his predecessor's footprints as the steward of the environment of the Catholic Church.
While the Earth Day movement has helped raise awareness about human-amplified climate change and has led to some regulatory actions, 5 1/2 decades later, the planet continues to warm at an alarming rate, with the impacts of that warming worsening with each passing decade.
From solar panels over canals to fashionable clothes with zero waste, watch "ourHome: Earth Month" to learn about conservation efforts near you and across the country.
Celebrate Earth Month with a look at Nat Geo's new series, "Secrets of the Penguins," and learn how Disney parks are prioritizing conservation efforts.