New York City promises to double the percentage of waste diverted from landfills within the next five years.
The Obama administration released a draft plan for protecting the country's oceans.
Scientists are fiddling with photosynthesis in order to make biofuel.
The Navy is trying to prevent the release of a report detailing toxic exposures at a Marine camp.
To ameliorate climate change, cut methane and soot, not just carbon, a new study says.