Proceedings of the National Academy of Sciences

“Nearly all” since 2001, according to a new study on California wildfires by the Lawrence Livermore National Laboratory published in the Proceedings of the National Academy of Sciences.

June 15, 2023 - Lawrence Livermore National Laboratory

The pandemic's cumulative death toll in the U.S. does not include over 100,000 fatalities that are directly or indirectly attributable to COVID-19, according to a CDC report released Oct. 20 on the subject of "excess deaths."

October 25, 2020 - Morbidity and Mortality Weekly Report (MMWR)

California, the largest state by population in the United States, is responsible for 33% fewer carbon emissions per capita than any other state, according to a new study published in the Proceedings of the National Academy of Sciences.

August 3, 2020 - The Mercury News

Communities have demanded access to clean water for decades, in some cases. The coronavirus pandemic is compounding the struggle and illustrating the inadequacy of most local government responses.

April 22, 2020 - Vox

Politics and economics win over public health in Racine County as the EPA exempted the area around the Foxconn's massive facility from meeting stricter ozone pollution standards, saving the company from investing in smog-reducing equipment.

May 5, 2018 - Chicago Tribune

A study from the USGS using five decades of data shows salinity and alkalinity are up in waterways across the United States.

January 17, 2018 - Pittsburgh Post-Gazette

A new study from MIT makes a clear connection between the intensity of rainfall caused by Hurricane Harvey last August in Texas and climate change, concluding that the likelihood of stronger downpours is greatly increasing.

November 17, 2017 - The Washington Post

Why are mortality rates increasing for this group in the United States and not others? The usual suspects—obesity, heart disease, diabetes, smoking are not the killers, The findings resulted in the 2015 Nobel Memorial Prize in Economic Science.

November 24, 2015 - The New York Times - Health

A University of Minnesota study published in PNAS looks at alternatives including ethanol and electricity and determined that "it's hard to beat gasoline." Even electric vehicles can do better or worse depending on how utilities source electricity.

December 17, 2014 - AP via ABC News

More people translates to more emissions, right? Cut back on population growth and you'll reduce emissions and the threat of climate change, along with other environmental woes—it's a no-brainer. Or is it?

November 16, 2014 - The Washington Post - Wonkblog

A new study reveals two findings on air pollution spewing from China's coal-burning factories. First, the pollution blows to the U.S and other nations. Second, 20% of the pollution can be traced to Western demand for cheap goods from those factories.

January 22, 2014 - Los Angeles Times - Science Now

The EPA has seriously underestimated the emissions of the powerful greenhouse gas, methane, particularly from oil and gas activity (five times) and from cattle and livestock operations (two times), according to a new report published in the PNAS.

December 6, 2013 - The New York Times

How much methane, a powerful but short-lived greenhouse gas is released during fracking operations for natural gas? Until now, all studies, including those by the EPA, were done by estimates. This study went to over 500 well sites to measure leaks.

September 19, 2013 - The New York Times - U.S.

A new study published in the Proceedings of the National Academy of Sciences shows how population growth increases greenhouse gas emissions. More importantly, two demographic factors shape the increase, urbanization and aging -with opposite effects.

October 25, 2010 - BBC News - Science & Environment