Alva Review-Courier -

GENEVA (AP) — Human-caused climate change is dramatically degrading the Earth's land and the way people use the land is making global warming worse, a new United Nations scientific report says. That creates a vicious cycle which is already making food more expensive, scarcer and less nutritious.

"The cycle is accelerating," said NASA climate scientist Cynthia Rosenzweig, a co-author of the report. "The threat of climate change affecting people's food on their dinner table is increasing."

But if people change the way they eat, grow food and manage forests, it could help save the planet from a f...