Ivette Perfecto and John Vandermeer in a shaded coffee farm in Chiapas, Mexico. They use diverse shaded coffee as a model system to study ecological complexity and its implications for farm management and biodiversity conservation.
Drought
Ivette Perfecto and John Vandermeer in a shaded coffee farm in Chiapas, Mexico. They use diverse shaded coffee as a model system to study ecological complexity and its implications for farm management and biodiversity conservation.
USDA-ARS/Scott Bauer
Paul Hames / California Department of Water Resources
Falling snow Photo: IStock
Credit: NPS
A view of the Sacramento River after multiple days of heavy rain in early January 2017. Source: James Daisa/Flickr Attribution-ShareAlike 2.0 Generic License.
Photo: Cynthia Mendoza, USDA/CC-BY-2.0, Flickr
bolvd/CC BY (Wikimedia)