Mechanical trees aren't like something you’d see in a forest or on a front lawn — these trees stand about 30 feet tall and have a stack of 150 discs in lieu of leaves. Like real trees, these large ...

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The latest report from the U.N. Intergovernmental Panel on Climate Change found that simply reducing greenhouse gas emissions might not be enough to limit warming to 2 degrees Celsius. The world doesn ...

TEMPE, AZ — About five years ago, Arizona State University began its push to install mechanical trees around campus that would collect carbon dioxide out of the atmosphere to help fight climate change ...

TEMPE, AZ — A major breakthrough in the battle against climate change is nestled among the trees on ASU’s Tempe campus. “It’s not good enough anymore to just stop emitting,” said Dr. Klaus Lackner. Dr ...

All right. You're looking out. Delegates from nearly 190 countries are gathering on the island of Bali today to kick off two weeks of climate discussions. You notice, Alison, they never have those ...

PHOENIX — A mechanical “tree,” the first of its kind, has been planted at Arizona State University in Tempe in a test of a new technology designed to fight global warming. The MechanicalTree was built ...