Urban stormwater runoff is a serious problem, overloading sewage treatment plants and polluting waterways. Now, many US cities are creating innovative green projects – such as rain gardens and roadside plantings – that mimic the way nature collects and cleanses water.
The EPA says its new rules to drastically reduce toxic air pollution will improve national health at a minimal cost. But the power industry says the rules could hurt the economy.
Fracking – a modern method to extract oil and gas – may be contaminating drinking supplies in Wyoming. But EPA report on the impact of fracking is not conclusive.
The Obama administration on Wednesday formally unveiled a plan that would chop greenhouse-gas emissions, heavy reliance on oil, and fuel costs.
The details of new EPA regulations, released Thursday, mandate reductions in power-plant emissions. 'Old, decrepit plants' without pollution controls may be just too costly to retrofit and be shut down by their owners, say analysts.