Lead might not be in paint or gasoline anymore, but since it doesn’t break down in the home or the environment it remains a problem throughout the U.S.
Parents in three Australian states are being given misleading advice about the dangers of lead to babies and small children – including failing to warn pregnant women about miscarriage risks.
Despite 15 years of concerted action by the Australian and Queensland governments the health of the reef is not improving and in fact may be continuing to deteriorate.
Outdoor air pollution causes 3.3 million premature deaths a year, mainly in Asia. And without policies to cut particulate pollution from traffic, industry and home biofuels, the deaths could double by 2050.
The dramatic wastewater spill in the Animas River is past its critical phase, but given the long history of untreated mine waste, there will surely be more like it.
The peppered moth will always hold a special place in the annals of evolutionary biology. Its story is a classic example of natural selection, and of how animals can act as indicators of environmental change.
Despite looming legal challenges, states are devising plans to comply with limits on power plant carbon emissions – a crucial part of Obama’s climate policies.