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Ozone Focus of EPA’s Latest Rulemaking

The U.S. Environmental Protection Agency (EPA) finalized a rule that sets domestic production consumption limits for hydrochlorofluorocarbons (HCFCs)—eventually phasing them out completely by 2020. The rule aims to reduce emissions from leakage and stockpiles of four HCFCs, a class of refrigerant linked to ozone depletion and climate change. “This rule finalizes allowed amounts of HCFC…

U.S., Military to Plan More Strategically for Climate Change

Climate change is a “threat multiplier” and worse than many of the challenges the U.S. military is already grappling with, according to a new report by the U.S. Department of Defense (DoD). The New York Times indicated that the report marks a departure from the DoD’s previous focus on preparing bases to adapt to climate…

Olazul Seeks a Healthy Solution to Depleted Fish Stocks

By Madeleine May For Santiago Cañedo Flores and other fishermen along the La Paz Bay in Baja California Sur, the solution to depleted fish stocks may lie in harvesting an unconventional product: seaweed. Don Santiago and other fishermen in Baja California Sur are partnering with Olazul, a San Francisco-based organization founded in 2009, to design community-owned…

Studies Focus on Warming of Oceans

Oceans absorb carbon dioxide and 90 percent of the heat caused by human activity—making their warming a critical topic for climate research. Two new studies—one on the upper oceans and one on deeper ocean depths—share findings about climate change’s effect on these water bodies. The first study, in the journal Nature Climate Change, provides the first estimate of…

Studies Link Climate Change to Recent Extreme Weather Events

New research in the Bulletin of the American Meteorological Society finds that climate change influenced the majority of 16 extreme weather events in 2013. Specifically, it found evidence that climate change linked to human causes—particularly burning of fossil fuels—increased the odds of nine extreme events: amplifying temperature in China, Japan, Korea, Australia and Europe; intense rain in parts of the…

10 Tips for Incredible Aerial Images

Acclaimed National Geographic photographer Michael Melford works with LightHawk to make aerial photographs that support conservation. He shares some of his secrets to making the most of his opportunities to fly with LightHawk.

World Sees Some Tangible Outcomes from U.N. Climate Summit

World leaders gathered in New York this week for the United Nations Climate Summit, a meeting aimed at raising carbon reduction ambitions and mobilizing progress toward a global climate deal. In speeches at the summit, President Obama and other leaders recognized that countries across the world are feeling climate change effects, particularly extreme weather. “In America,…

You Cannot Save the Climate Without Trees

The People’s Climate March that trumpeted its way through the streets of Manhattan yesterday was led by communities on the front lines of climate change—and Indigenous Peoples were at the forefront of this group.  The tropical forests where they live are not only getting hammered by changing weather patterns, drug traffickers, invasive pests, and massive…

Bobcats Prowl Among Us: Haunt Birdfeeders, Brooks, Boulevards

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It’s on the prowl from three hours before sunset until midnight, and again before dawn ‘til three hours after sunrise.  Each night, it moves two to seven miles, mostly on the same route. Along the way it visits, like the humans in whose shadow it lives, known locales.  But its stomping grounds are a hollow…

The Cost of Fixing Climate Change

Reducing greenhouse gas emissions could boost the economy rather than slow it, according to a new study by the Global Commission on the Economy and Climate. Better Growth, Better Climate: The New Climate Economy Report finds that roughly $90 trillion will be spent in the next 15 years on new infrastructure around the world. Adopting rules that redirect that…

Transforming Indonesia’s Manta Fisheries

This article is brought to you by the International League of Conservation Photographers (iLCP). Read our other articles on the National Geographic News Watch blog featuring the work of our iLCP Fellow Photographers all around the world. Text and photos by iLCP Fellow Shawn Heinrichs Transforming Indonesia’s Manta Fisheries: The path to creating an effective Manta Sanctuary Indonesia announced…

Political and Weather Climates are Changing, But at What Speed?

The weather in Washington, D.C. finally turned hot in September, just in time for Congress to resume. We enjoyed an unusually moderate summer this year, with many days topping out in the high seventies or low eighties. Plenty of sun. San Diego weather, you might say. Before September, we were missing about two full weeks…

U.N. Report: Carbon Dioxide Levels at Record Highs

The concentration and the rate of carbon dioxide (CO2) levels in the atmosphere are spiking, according to new analysis from the World Meteorological Organization (WMO). Scientists believe the record levels are not only the result of emissions but also of plants and oceans’ inability to absorb the excess amounts of CO2. “We know without any doubt that our climate…

EPA Considering Lower Ozone Standard, Methane Strategy

In its Policy Assessment for the Review of the Ozone National Ambient Air Quality Standards report—released Friday—the U.S. Environmental Protection Agency (EPA) suggests revising the health-based national ambient air quality standard for ozone. “Staff concludes that it is appropriate in this review to consider a revised primary [ozone] standard level within the range of 70 ppb [parts…

Obama May Use Executive Power to Forge International Climate Change Deal as U.N. Draft Report Paints Stark Climate Picture

A leaked draft of a report by the United Nations Intergovernmental Panel on Climate Change (IPCC) warns that global warming is already affecting all continents and that additional pollution from heat-trapping gases will worsen the situation. “Continued emission of greenhouse gases will cause further warming and long-lasting changes in all components of the climate system, increasing the…