science

Stemming the spread of HIV by accurately predicting its spread

By Thomas Leitner, Ph.D. One of the challenges with stemming the spread of HIV lies in understanding how it is spread. Because HIV mutates so rapidly, it has historically been difficult—if not impossible—to trace exactly who transmitted the virus to whom. Without that understanding, it’s easy for the disease to run unfettered through a population—with…

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Can We Protect the Last Intact Forests of the World in the 21st Century?

We are now at a point in the course of human history where there are only a handful of places on Earth that are not severely altered by the footprint of large-scale industrial activities. Those within parts of the Earth where trees are dominant are termed “intact” or “primary” forests. A few weeks ago I…

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Congress working to take fisheries backward 20 years

By Safina Center Staff It took the United States decades to develop and perfect an effective fisheries management plan that helps keep enough fish to feed both the nation’s people and its animals. The landmark legislation that turned around the country’s widespread overfishing problem was called the Magnuson-Stevens Fishery Conservation and Management Act, passed in…

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Why I Speak Up for Science

By Jennifer Molnar, Managing Director and Lead Scientist of The Nature Conservancy’s Center for Sustainability Science Recently, I watched my 5-year-old nephew and 2-year-old twin nieces dig into my mom’s garden in New Jersey—looking for worms and pill bugs and other crawling treasures in the early spring dirt. It brought back early memories of doing…

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EPA to Roll Back Car Pollution Standards

Scott Pruitt, administrator of the Environmental Protection Agency (EPA) on Monday announced that greenhouse gas emissions standards for cars and light duty trucks should be revised. “The Obama Administration’s determination was wrong,” said Pruitt. “Obama’s EPA cut the Midterm Evaluation process short with politically charged expediency, made assumptions about the standards that didn’t comport with reality, and set…

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Report Says Global Carbon Dioxide Emissions on the Rise

The International Energy Agency’s (IEA) first Global Energy and CO2 Status Report, released last week, had two major findings: preliminary estimates for 2017 suggest that global energy demand rose 2.1 percent—more than twice the previous year’s rate—and carbon dioxide emissions rose 1.4 percent, the first time they’ve increased in three years. Although emissions increased in most countries, they decreased in…

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Historical Sign of Chesapeake Winter, the Canvasback, Still Brightens the Bay

“They came back,” says biologist Donald Webster. “This year.” His voice has a wistful note, wondering if the king of ducks, as the beautiful, crimson-headed canvasback is known, will return to rule Chesapeake Bay again next winter. In parka, gloves and hat, Webster, waterfowl coordinator for the Maryland Department of Natural Resources (DNR), raises his…

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Some Say Planned Steel, Aluminum Tariffs May Add Up to Losses for U.S. Energy

On Monday, President Donald Trump said “we’re not backing down” on his intent to propose steel and aluminum tariffs that some legislators and analysts worry could have a negative effect on the U.S. energy industry and undercut the president’s goal of “energy dominance.” Trump shared his desire for the tariffs—25 percent on steel imports and…

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Tax Credit Could Help Increase Carbon Capture and Storage, Some Say

As part of the Bipartisan Budget Act of 2018, Congress gave a boostto carbon capture—a method for diverting emissions from crude production and coal- and gas-fired power plants—through the so-called 45Q tax credit. For every qualifying project, the boosted 45Q doubles a pre-existing tax credit to $50 per ton of carbon dioxide buried in underground storage and to $35 per ton that is used in…

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About the Blog

Researchers, conservationists, and others share stories, insights and ideas about Our Changing Planet, Wildlife & Wild Spaces, and The Human Journey. More than 50,000 comments have been added to 10,000 posts. Explore the list alongside to dive deeper into some of the most popular categories of the National Geographic Society’s conversation platform Voices.

Opinions are those of the blogger and/or the blogger’s organization, and not necessarily those of the National Geographic Society. Posters of blogs and comments are required to observe National Geographic’s community rules and other terms of service.

Voices director: David Braun (dbraun@ngs.org)

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