Earth Day 2024 report card: Experts address America’s climate change action

Earth Day offers an annual opportunity for citizens, experts and lawmakers to not only celebrate the planet, but examine our impact on the changing environment and demand a push toward a sustainable future…

Greenhouse gases including carbon dioxide, methane and nitrous oxide concentrations are now more abundant in the earth’s atmosphere than any time in the last 800,000 years, according to the Environmental Protection Agency, which notes, burning fossil fuels changes the climate more than any other human activity.

“Climate impacts are affecting people’s lives right now,” Costa Samaras, director of Carnegie Mellon University’s Scott Institute for Energy Innovation, told ABC News.

“Climate change makes things such as extreme heat and extreme storms worse, which can be dangerous to people, especially folks in vulnerable communities,” Samaras said.

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