Staff Writer Jon Cohen joins host Sarah Crespi to talk about using monoclonal antibodies to treat or prevent infection by SARS-CoV-2. Many companies and researchers are rushing to design and test this type of treatment, which proved effective in combating Ebola last year. 

See all of our News coverage of the pandemic here, and all of our Research and Editorials here. And Karen Holl, a professor of environmental studies at the University of California, Santa Cruz, joins Sarah to discuss the proper planning of tree-planting campaigns. It turns out that just putting a tree in the ground is not enough to stop climate change and reforest the planet.