Shermin de Silva researches the ecology, social dynamics and communication of elephants. In recognition of Earth Day 2025, de Silva provides an inside look at a new book she has published on elephant behavior and conservation, along with questions to consider to protect their future.
Our planet is under growing pressure—whether it’s the safety of the food we eat, the quality of the air we breathe or the stability of the systems we rely on—and UC San Diego researchers are stepping up with science-driven solutions.
Emissions don’t just come from the burning of fossil fuels such as coal, oil, and gas. Food waste sent to landfills contributes up to 10% of all emissions, equivalent to more emissions than that of the entire aviation sector, and if considered a country, it would be the third-largest emitter.
HPV-associated oropharyngeal cancers are becoming more common. A new study finds that human and HPV DNA hybridize in cancer cells, creating extrachromosomal DNA which drives the growth of tumors.
A new study from UC San Diego suggests that climate trauma — such as experiencing a devastating wildfire — can have lasting effects on cognitive function.
A quick scroll to “stay informed” can spiral into hours of anxious doomscrolling. Why does bad news feel so addictive—and what’s it doing to our mental health? UC San Diego Today spoke with the Department of Psychiatry's Susan Tapert to find out.
Keep up with all the latest from UC San Diego. Subscribe to the newsletter today.
