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After years of unrelenting drought, federal forecasters reported there are better-than-even odds that the nation's largest reservoir will decline into shortage conditions by 2020, forcing Arizona, Nevada and Mexico to reduce their Colorado River water use.

In a recent report, NASA pointed out that our world is running on the brink of a freshwater shortage.    When faced with a crisis, history shows us that humanity has an amazing ability to conquer it resourcefully. And that's exactly what many environmental innovators are seeking to do

The World Economic Forum's Global Risk Report 2013 placed water scarcity among the top four global risks, in terms of likelihood and greatest impact - ranking ahead of issues such as food shortages, terrorism and climate change! And water scarcity is already constraining the growth plans of many companies that desire to expand in emerging markets.

Freshwater supplies have already seriously declined in 19 global hotspots - from China to the Caspian Sea - due to overuse, groundbreaking study shows

While national leaders spout optimistic platitudes celebrating the great achievement of the globally unifying Paris Agreement on climate, environmentalists note that there is little in the way of substantial action plans behind the many promises made last December. Meanwhile, the most intense El Niño in history is leaving in its wake a world gripped by 7 months of record high temperatures; drought, water shortages, and famine (especially in India and Africa); wildfires (Fort McMurray, Canada); record coral bleaching; and a fast shrinking Arctic ice cap that set stunning early melt records this winter and spring.

Economic and population growth on top of climate change could lead to serious water shortages across a broad swath of Asia by the year 2050, a newly published study by MIT scientists has found.

Climate change could force Chipotle to temporarily stop serving guacamole, the fast-food chain warned in a recent filing with the Securities and Exchange Commission. The notification, which Chipotle described as a "routine financial disclosure," notes that climate-induced freezes and droughts can take a severe toll on food-based supply chains, leading to price spikes and product shortages

Climate change is already taking a serious toll on the planet, leading to heat waves, water shortages, melting ice caps, dying coral reefs and the extinction or migration of fish stocks, according to a report from the U.N.'s Intergovernmental Panel on Climate Change. Decisions made -- or left unmade -- by policymakers in the immediate future will shape global society for the rest of the century, the panel's report warns. "Nobody on this planet is going to be untouched by the impacts of climate change," said Rajendra K. Pachauri, the panel's chairman

Climate change is already hitting America hard, according to a new study, leading to water shortages in dry regions, heavy rains in wet regions, more frequent and severe heat waves, worse wildfires, and forests die-offs. "Climate change, once considered an issue for a distant future, has moved firmly into the present," the National Climate Assessment warns

IF HUMANITY is to avoid dangerous climate change, we need to capture hundreds of billions of tonnes of carbon dioxide. But what to do with it all? There is no shortage of places to bury it (see "Trailblazing power plant is first to bury its carbon"), but we can at least put some of it to good use. A few start-up companies view CO2 as a resource rather than a waste product. They are using CO2 as the raw material for making products including superglue and fertiliser.

Almost two-thirds of companies say water shortages could affect business operations over the next five years, according to the CDP Global Water Report. That's driving shareholders to insist that companies plan for dealing with water scarcity. "It doesn't take many shareholders, especially big ones, to ask a few questions ... about water to make a company to do something," says Stuart Orr, freshwater manager at WWF International

A number of leading apparel companies have come to realize that the way we produce clothes has a direct impact not only on the world's valuable water resources, but also on the industry's bottom line.

When people picture sand spread across idyllic beaches and endless deserts, they understandably think of it as an infinite resource. But as we discuss in a just-published perspective in the journal Science, over-exploitation of global supplies of sand is damaging the environment, endangering communities, causing shortages and promoting violent conflict.

Los Angeles County approves the start of the Newhall Ranch master-planned community north of the city of Los Angeles. The state has never seen a community quite like Newhall Ranch, proposed by California developer FivePoint. It will be a carbon-neutral development in the Santa Clarita Valley that tackles such critical challenges as climate change, water conservation, and the dire housing shortage that is severely threatening our economic competitiveness.

Global water consumption has tripled in the last 50 years. In the United States, the demand for fresh water will exceed the supply by 40 percent by the year 2030, according to a State Department report last year.