A state department agency that oversees the cleanup of toxic Santa Susana Field lab met confidentially with Boeing Company, one of the polluters, to mediate the cleanup of the area in the hills above the San Fernando and Simi valleys, drawing criticism from a Ventura County supervisor and activists.
The Trump Environmental Protection Administration handed citrus growers a "parting gift," as one professional journal put it: the ability to use a previously banned neurotoxic pesticide and a broad-spectrum antibiotic to fight citrus greening.
Blue-green algae that populate lakes in and of themselves are not harmful and form the basis of the riparian food web. Under certain conditions, however, the algae multiply rapidly, form blooms and produce toxins.
A new effort by the Punjab government to tackle air pollution caused by rice stubble burning is taking off as machines - called Happy Seeders - are given to farmers at a subsidized cost. The technology could reduce greenhouse gas emissions by as much as 78%.
A recent study by researchers in Peru and the US found that, in the past 35 years, there has been a 670% increase in the extent of pits and ponds created by miners digging for small deposits of alluvial gold in the Peruvian Amazon.