Freda Kreier

Freda Kreier was an intern at Science News in the fall of 2021. She holds a bachelor’s degree in molecular biology from Colorado College and a master’s in science communication from the University of California, Santa Cruz.

Principal Kuikuro village

Indigenous people may have created the Amazon’s ‘dark earth’ on purpose

With more and more greenhouse gases entering the atmosphere, making dark earth — or something like it — could be a method of mitigating climate change while supporting agriculture in the tropics.

January 9, 2023