Prompts like this sign in Coalinga, California, may get people to use less water – but paying them could be more effective. Matt McClain/The Washington Post via Getty Images

A new strategy for western states to adapt to long‑term drought: Customized water pricing

Even after January’s storms, California faces a water-scarce future. An economist and an engineer propose a way to test higher water prices as a conservation strategy without hurting low-income users.
A Long Island Power Authority smart meter installed at a home in Suffolk County, N.Y. John Paraskevas/Newsday RM via Getty Images

Smart meters and dynamic pricing can help consumers use electricity when it’s less costly, saving money and reducing pollution

Most households pay a flat rate 24/7 for electricity although the cost of generating it fluctuates through the day. Wireless technologies are changing that system.
Image of Earth’s city lights, created with data from the Defense Meteorological Satellite Program. NASA/Newsmakers via Getty Images

What the controversial 1972 ‘Limits to Growth’ report got right: Our choices today shape future conditions for life on Earth

A 1972 report warned that unchecked consumption could crater the world economy by 2100. Fifty years and much debate later, can humanity innovate quickly enough to avoid that fate?
A cabin is illuminated by firetruck lights as the Caldor Fire burns near Lake Tahoe in California on Aug. 31, 2021. Wally Skalij/Los Angeles Times via Getty Images

A new ratings industry is emerging to help homebuyers assess climate risks

Private companies rate all kinds of investments, from stocks to used cars. Now, they’re starting to analyze climate risks to local real estate – but how reliable are their findings?
President George H.W. Bush (right) fishing on the Kennebunk River in Maine, Aug. 27, 1990. AP Photo/Doug Mills

George H.W. Bush understood that markets and the environment weren’t enemies

George H.W. Bush, who pledged to be ‘the environmental president,’ took a market-based approach to pollution control that helped clear the air. Now some experts think it could work on climate change.
California Gov. Jerry Brown signs SB350 on Oct. 7, 2015. The bill calls for increasing the state’s renewable electricity use to 50 percent and doubling energy efficiency in existing buildings by 2030. AP Photo/Damian Dovarganes

Will blazing a low‑carbon path pay off for California?

California has set ambitious goals for cutting carbon emissions and shifting to a clean energy economy. How will this strategy affect the state’s huge economy? An economist weighs the evidence.
Chinese President Xi Jinping, center, U.S. President Barack Obama and U.N. Secretary-General Ban Ki-moon shake hands during a joint ratification of the Paris climate change agreement in eastern China’s Zhejiang province, Sept. 3, 2016. How Hwee Young/Pool Photo via AP

For China, climate change is no hoax – it’s a business and political opportunity

Although Donald Trump has called climate change a hoax invented by China, Chinese leaders believe cutting carbon emissions will generate economic and political payoffs at home and abroad.
Thousands protest against the proposed expansion of a chemical factory in Ningbo, Oct. 28, 2012. AP

As incomes rise in China, so does concern about pollution

China has the world’s second-largest economy, powered by cheap labor and cheap fossil fuel. But now Chinese urbanites want greener, healthier lifestyles. Can the government deliver them?

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