Even modest leak rates of ammonia gas could exacerbate the already ubiquitous problems of excessive reactive nitrogen in the environment,
since 2016, wildfire smoke has reversed what had been a downward trend in PM 2.5 concentrations across the U.S.
Preston called the species left of the veil line—the invisible birds—those that are present at the site, but not seen by even a careful observer.
The question of glyphosate safety revolves around the efficacy of the EPA standard (700 ppb) as a threshold for direct and epigenetic effects.
as a result of hunting pressure, intensive fishing, and warmer temperatures, we can expect the average size of most animals to decline
With the onset of climate change, entirely new groupings of species are expected, with no likelihood that they have a past history of cooccurrence.
Focusing on paper, metal, and plastics produces the greatest reductions in greenhouse gas emissions to the atmosphere and the most profitable operations.
Overall, electric vehicles are climate friendly.
we are living in the hot, dry world that was predicted by computer models of the Earth’s climate.
Delineation of wetlands and their importance in certain watersheds are scientific questions