This week's state briefs include news on Delaware, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Montana, New Hampshire, New York, North Carolina, Ohio and Wisconsin, as well as D.C.

This week's state briefs include news on Connecticut, Illinois, Indiana, Iowa, Maryland, Massachusetts, Mississippi, New Hampshire, New York, North Carolina, North Dakota, Ohio, Pennsylvania, Rhode Island, South Dakota, Virginia and Wisconsin.

This week's state briefs include news on Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Pennsylvania, Rhode Island, Vermont and Wisconsin.

A top EPA official gave the most detailed hints yet about how the agency will revise the Clean Power Plan when the final rule is released this summer.

This week's state briefs include news on Connecticut, Delaware, Illinois, Indiana, Maine, Maryland, Michigan, Minnesota, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee and Wisconsin.

This week's state briefs include news on Connecticut, Delaware, D.C., Maine, Maryland, Ohio, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Texas and Wisconsin.

This week's state briefs include news on Connecticut, Delaware, Indiana, Iowa, Maryland, Michigan, Minnesota, Montana, New Hampshire, New Jersey, New York, Virginia and Wisconsin.

This week's state briefs include news on Illinois, Indiana, Kentucky, Michigan, Nebraska, New Jersey, New Mexico, New York, North Carolina, Pennsylvania, Virginia and Wisconsin.

This week's state briefs include news on Delaware, Illinois, Maine, Maryland, Massachusetts, Michigan, Minnesota, New Hampshire, New Jersey, North Carolina, Texas and Wisconsin.

This week's state briefs include news on Illinois, Kansas, Maryland, Minnesota, Missouri, New Jersey, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Virginia and Wisconsin.