Great Lakes Line 5 Oil Pipeline Safety Study Nears

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Michigan will reveal information about energy-transport network under the Straits of Mackinac.

The Science Communication Challenge

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Circle of Blue intern Connor Bebb explains his passion for sharing information about our most important shared resource — water.

Slideshow: Faces of Tulare County’s Drinking Water Crisis

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The Central Valley farming county has the highest number of dry wells in California.

Binational Lake Erie Phosphorus Targets Proposed to Curb Algae

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To limit toxic algae blooms, the United States and Canada will need to reduce nutrient pollution by 40 percent.

In California’s Central Valley, Dry Wells Multiply in the Summer Heat

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Tulare County continues to be the center of the drought’s drinking water crisis.

Lake Erie Toxic Algae Bloom Forecast Spikes

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After a slow start this spring, nutrient pollution accelerated over the past week in Lake Erie.

Water Scarcity Could Deter Energy Developers From Crossing Border Into Northern Mexico

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Proposed oil and gas development zones in Coahuila are among the driest in the Americas.

Toxic Algae Blooms Prompt Clean-Up Commitment from Great Lakes Governors

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State and provincial leaders act to end danger to Lake Erie, which has suffered from a resurgence of nutrient pollution and toxic algae outbreaks over the past decade.

Challenged By Drought, Fire, Earthquake, and Flood, California Departs On New Path

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In response to truculent planet, conserving water, limiting climate emissions, and achieving "net zero" energy use are top priorities.

Saving Salmon: California Orders New Water Restrictions

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Restrictions target big Sacramento River reservoir and Russian River residents, but effects will ripple through the state.

Infographic: Lake Baikal Pollution Leads to Algae Blooms

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Nutrient pollution from outdated sewage-treatment plants degrades water quality in the world's deepest, oldest lake.

Infographic: NASA Satellites Reveal Global Groundwater Depletion

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The world's largest aquifers are under stress, according to a decade of data from the GRACE satellites.