News by Subject Policy & Ethics

Climate change is exacerbating human-wildlife conflicts by straining ecosystems and altering behaviors, both of which can deepen the contacts -- and potential competition -- between people and animals. In an article published July 30 in the journal Science, Briana Abrahms, a University of Washington assistant professor of biology, calls for expanding research into the many ways that climate change will impact the complex interplay between human activities and wildlife populations.

In 2019, a coalition of more than 11,000 scientists from across the globe declared a climate emergency and established a set of vital signs for the Earth in order to measure effective climate action. Now, twenty months later, a new study published today in BioScience finds that those indicators -- including ice and forest loss, ocean acidity, and global temperatures -- reflect the consequences of unrelenting "business-as-usual" on climate change.

More than 820 million people in the world don't have enough to eat, while climate change and increasing competition for land and water are further raising concerns about the future balance between food demand and supply. The results of a new IIASA-led study can be used to benchmark global food security projections and inform policy analysis and public debate on the future of food.

Infection with dengue virus makes mosquitoes more sensitive to warmer temperatures, according to new research led by Penn State researchers. The team also found that infection with the bacterium Wolbachia, which has recently been used to control viral infections in mosquitoes, also increases the thermal sensitivity of the insects. The findings suggest that global warming could limit the spread of dengue fever but could also limit the effectiveness of Wolbachia as a biological control agent.