I study the impacts of intensive land-uses, such as habitat fragmentation, logging, hunting, and wildfires, on tropical ecosystems, and on global-change phenomena and conservation policy.
I’ve worked extensively in the Amazon, Congo Basin, and Southeast Asia, as well as in tropical Australasia.
In an effort to promote environmental conservation, I frequently engage with policy makers and the general public, as well as other scientists.
Per- and polyfluoroalkyl substances are a growing concern because of the many health impacts associated with exposure and their tendency to persist in the human body for months to years and in the environment for thousands of years.
The United States bears its share of responsibility for this crisis that is destroying Ukraine and placing the world in "unprecedented danger," as the Bulletin of the Atomic Scientists' new Doomsday Clock statement calls it.