Greenhouse gas benchmark reached in 2015
Global carbon dioxide concentrations surpass 400 parts per million for the first month since measurements began…
New York harbor’s oyster beds once protected against severe storm and extreme wave damage
A recent study of past disturbance of the oyster beds in New York Harbor led by geoscientists is the first to link Europeans’ overharvesting and disturbance of the ancient shellfish beds to loss of natural coastal defenses against floods and storm waves.