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News Archive - Environment

New Genetic Technology Developed to Halt Malaria-Spreading Mosquitoes

July 5, 2023

Using CRISPR technology, UC San Diego scientists have engineered a new way to genetically suppress populations of Anopheles gambiae, the mosquitoes that primarily spread malaria in Africa and contribute to economic poverty in affected regions.

Plants Pollinated by Honey Bees Produce Lower-quality Offspring

June 28, 2023

In a first-of-its-kind comparison, UC San Diego scientists have shown that pollination by honey bees, which are not native to the Americas, produces offspring of considerably inferior quality (lower fitness) than offspring resulting from native pollinators.

Fighting Climate Change Isn’t an Automatic Win for Environmental Justice

June 19, 2023

New legislation such as the Inflation Reduction Act (IRA) explicitly identifies the elimination of these historical environmental inequities as a goal the U.S. hopes to advance in the process of tackling climate change, but the study from researchers at the University of California San Diego’s Scrip

Rethink, Rewrite, Redefine—How Biodegradable Plastics Are Reshaping Sustainability

June 1, 2023

Researchers at UC San Diego have spent many years developing a biodegradable plastic alternative made from algae. A new book, published by Elsevier, details the basic science of creating bio-based polymers, lifecycle assessments and a techno-economic analysis.

New Study: Protecting Large Ocean Areas Doesn’t Curb Fishing Catches

May 31, 2023

In the first-ever “before and after” assessment of the impact of establishing Mexico’s Revillagigedo National Park on the fishing industry, a team of U.S. and Mexican researchers found that Mexico’s industrial fishing sector did not incur economic losses five years after the park’s creation.

Phenomenal Phytoplankton: Scientists Uncover Cellular Process Behind Oxygen Production

May 31, 2023

According to new research, the amount of oxygen in one of 10 breaths was made possible thanks to a newly identified cellular mechanism that promotes photosynthesis in marine phytoplankton. The study, led by Scripps Institution of Oceanography, was published May 31 in Current Biology.

California Snowlines On Track To Be 1,600 Feet Higher by Century’s End

May 25, 2023

This winter produced record snowfall in California, but a new study suggests the state should expect gradually declining snowpacks, even if punctuated with occasional epic snowfalls, in the future.

“Segment-Jumping” Ridgecrest Earthquakes Explored in New Study

May 24, 2023

A Scripps Oceanography seismologist and colleagues have used a supercomputer to reveal the complex dynamics of the 2019 Ridgecrest earthquakes — the biggest earthquakes to hit California in more than 20 years.

Groundbreaking Images of Root Chemicals Offer New Insights on Plant Growth

May 24, 2023

Applying imaging technology to plant roots, researchers have developed a new understanding of chemicals that are responsible for plant growth. The chemical “roadmap” identifies where key molecules are distributed along corn roots and how their placement factors into the plant’s maturation.

Researchers Track Endangered Nassau Grouper Eggs with Underwater Microscope

May 9, 2023

Each winter off the western tip of the Caribbean island of Little Cayman, thousands of endangered Nassau grouper gather to spawn under the light of the full moon.
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