The Obama administration has set out ambitious plans to cut pollution from US power plants to help ease global warming, Radio New Zealand reports.
The US Environmental Protection Agency's (EPA) Clean Power Plan seeks to cut carbon emissions by 30% by 2030.
EPA Administrator Gina McCarthy was unveiling the proposals, which mark the most sweeping and significant environmental regulations introduced by the administration.
"Although we limit pollutants like mercury, arsenic, sulphur currently there are no limits on carbon pollution from power plants," she said.
"For the sake of our families' health and for our kids' future we have a moral obligation to act on climate."
