Environment

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The frozen waters and snow of Lake Michigan have formed huge ice caves seen along the shore of northern Leelanau County, between Northport and Leland, Mich., on Wednesday, Feb. 19, 2014. Sub-zero temperatures in late December through mid-January, along with strong winds and heavy snowfall, created the ice ridges several hundred feet from shore. (AP Photo/John L. Russell)

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California Gov. Jerry Brown, center, responds to a question concerning aid to drought-stricken communities after touring the California Emergency Services State Operations Center in Mather, Calif., Wednesday, Feb. 19, 2014. Brown, accompanied by Senate President Pro Tem Darrell Steinberg, D-Sacramento, left, and Assembly Speaker John Perez, D-Los Angeles, right, toured the facility before announcing a $687 million plan to provide immediate help to those affected by the drought throughout California.(AP Photo/Rich Pedroncelli)

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A staff member at the California Emergency Services State Operations Center studies the drought situation on a computer monitor at the facility in Mather, Calif., Wednesday, Feb. 19, 2014. California Gov. Jerry Brown, Senate President Pro Tem Darrell Steinberg, D-Sacramento, and Assembly Speaker John Perez, D-Los Angeles, toured the center where they announced a $687 million plan to provide immediate help to drought-stricken communities throughout California. (AP Photo/Rich Pedroncelli)

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California Gov. Jerry Brown, left, responds to a question concerning aid to drought-stricken communities after touring the California Emergency Services State Operations Center in Mather, Calif., Wednesday, Feb. 19, 2014. Brown, accompanied by Assembly Speaker John Perez, D-Los Angeles, right, toured the facility then announced a $687 million plan to provide immediate help to those affected by the drought throughout California.(AP Photo/Rich Pedroncelli)

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State Senate President Pro Tem Darrell Steinberg, D-Sacramento, left, California Gov. Jerry Brown, center, and Assembly Speaker John Perez, D-Los Angeles, listens to a reporters question concerning aid to drought-stricken communities after touring the California Emergency Services State Operations Center in Mather, Calif., Wednesday, Feb. 19, 2014. Brown announced a $687 million plan to provide immediate help to communities hard hit by the drought throughout California. (AP Photo/Rich Pedroncelli)