Tiny blue-green algae brought Toledo, Ohio’s municipal water system to a halt this summer. Toxic blooms left residents scrambling for bottled water to meet their drinking, cooking, and washing needs.

Technology has transformed our ability to understand rivers. Take the Cary Institute's longstanding scientific program on the Hudson River.

What do earthquakes, heart attacks, seizures, and the collapse of stock markets and fisheries have in common? They're all examples of what scientists call "tipping points" or "regime shifts."

Most of us are familiar with the stereotype of the peace-loving, tree-hugging hippy with a penchant for marijuana. So just how green is grass grown in sunny California? The answer might surprise you.

Trees increase property values in neighborhoods where they are planted. Through the evaporation of soil water, trees cool the urban environment, reducing the need for air conditioning.

Around half of liquid soaps now contain the chemical triclosan, as do toothpastes, deodorants, cosmetics, and other personal care products.

For more than a decade, pollinator populations have been declining. Causes are varied, from loss of habitat and pesticide exposure to the spread of parasitic mites

Fuel economy in cars is going up. The 2025 CAFÉ standard for cars is over 54 miles per gallon. Hybrids and plug-in vehicles reduce the amount of energy we use to drive, and we all should want to lower our energy consumption and our carbon footprint. But does buying a high-mileage car really help?

Though not in the news as much as it once was, acid rain remains a problem. Power plants, factories, and vehicles give off sulfur and nitrogen oxide emissions, which react in the atmosphere to form sulfuric and nitric acids. These acids are then deposited back onto the landscape in rain, snow, fog, or particles.

A few months ago, Superstorm Sandy tore through the New York Metropolitan region, causing significant damage to homes, businesses, and municipal infrastructure. Hard hit areas, like the Jersey Shore and Staten Island, are still recovering.