"The U.S. Environmental Protection Agency (EPA) proposed updates to the prior administration’s national standards for the oil and natural gas industry. The proposal would remove regulatory duplication and save the industry millions of dollars in compliance costs each year – while maintaining health and environmental regulations on oil and gas sources that the agency considers appropriate."

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"The urgent need to limit global warming means geoengineering technologies are likely to be developed and rolled out on a commercial scale, but experts disagree on the need for a global legal framework to regulate them."

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"Adapting balloons into geoengineering devices may simply require mixing helium with a few kilograms of sulfur dioxide, a compound that in the stratosphere is converted into sulfuric acid, which in turn casts away heat. Pressure will build inside each balloon as it ascends, until it bursts somewhere above 20 kilometers (12 miles), scattering its contents into the atmosphere."

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