Despite the return of traffic, record-high summer heat waves and apocalyptic wildfires, the early months of spring 2020 offered a glimpse of what is possible.
Dust from as far away as Saudi Arabia is carried by winds to the Himalayan snowpack, where it accelerates glacial warming and snowmelt, scientists say.
Guidance from legal researchers could strengthen California climate policy by helping policymakers further reduce carbon pollution from transport fuels.
The researchers' healthy solution is to move the transit sites 120 feet away from intersections, where high concentrations of noxious exhaust are emitted.
New state and local policies promoting energy use transparency, public transit funding and sustainable development make researchers are optimistic for improvement.
Researchers found that exposure to the pollution caused mice to experience changes in the normal composition of gut bacteria. This in turn produced a cascade of negative health effects.
The new building material called CO2NCRETE would be made from carbon captured from power plant smokestacks potentially eliminating a huge source of greenhouse gas emissions.
An air filtration system developed specifically for school buses reduces exposure to vehicular pollutants by up to 88 percent, according to a study by UCLA Fielding School of Public Health researchers.
The Cal EcoMaps site, launched this month, features a detailed interactive map and environmental impact ratings for 172 industrial facilities in Los Angeles County.
In addition to changing HDL from "good" to "bad," the inhalation of emissions activates other components of oxidation, the early cell and tissue damage that causes inflammation, leading to hardening of the arteries.