MARSH MADNESS: Marsh restoration is coming to California's San Francisco Bay Area. On Tuesday, nine of the state’s counties approved Measure AA, a ballot initiative that will raise $500 million over 20 years to restore habitats around the Bay. The bill’s supporters hope the clean-up will restore up to 15,000 acres of marsh.

COSTLY CRIME: Eco-crime may cost the global economy as much $258 billion annually, according to a joint report by the United Nations Environment Programme and Interpol. Environmental crime, which includes illegal wildlife trade and mining, is the world's fourth-largest kind of illegal activity after the drug trade, counterfeiting, and human trafficking.

CHILLING DISCOVERY: The month of May marked a record low for Arctic sea ice, which measured in at over one million square kilometers below the average for the month. According to the National Snow and Ice Data Center, Arctic sea ice levels for May have been on a steady decline since 1978.

SAFETY FIRST: The U.S. Senate unanimously approved legislation that will improve how the federal government regulates chemicals in consumer goods. The measure, which President Obama is expected to sign within a few days, will “modernize” the 1976 Toxic Substances Control Act and expand EPA oversight.

SUCCESSFUL STAGNATION: Global carbon emissions did not increase in 2015, according to this year’s BP Statistical Review of World Energy. The oil giant’s annual review found that carbon emissions increased by only 0.1 percent and world coal usage fell by about 2 percent in 2015.