the conversation

Jet Fuel From Sugarcane? It’s No Flight of Fancy

Jet Fuel From Sugarcane? It’s No Flight of Fancy

By Deepak Kumar, Stephen P. Long and Vijay Singh The aviation industry produces two percent of global human-induced carbon dioxide emissions. This share may seem relatively small—for perspective, electricity generation and home heating account for more than 40 percent—but aviation is one of the world’s fastest-growing greenhouse gas sources. Demand for air travel is projected […]

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    How Marine Algae Could Help Feed the World

    How Marine Algae Could Help Feed the World

    By William Moomaw and Asaf Tzachor Our planet faces a growing food crisis. According to the United Nations, more than 800 million people are regularly undernourished. By 2050, an additional 2 to 3 billion new guests will join the planetary dinner table. Meeting this challenge involves not only providing sufficient calories for every person, but […]

    Scientists Join Forces to Save Puerto Rico’s ‘Monkey Island’

    Scientists Join Forces to Save Puerto Rico’s ‘Monkey Island’

    By Alexandra Rosati “00O made it!” There was some news to celebrate on Sept. 28 in the email chain of scientists who work at the Cayo Santiago Field Station. Cayo Santiago is a 38-acre tropical island off the coast of Puerto Rico and home to approximately 1,500 rhesus monkeys, earning it the local nickname “Monkey […]

    How Trump Could Undermine the U.S. Solar Boom

    How Trump Could Undermine the U.S. Solar Boom

    By Llewelyn Hughes and Jonas Meckling Tumbling prices for solar energy have helped stoke demand among U.S. homeowners, businesses and utilities for electricity powered by the sun. But that could soon change. President Donald Trump—whose proposed 2018 budget would slash support for alternative energy—may get a new opportunity to undermine the solar power market by […]

    I Was an Exxon-Funded Climate Scientist

    I Was an Exxon-Funded Climate Scientist

    ExxonMobil’s deliberate attempts to sow doubt on the reality and urgency of climate change and their donations to front groups to disseminate false information about climate change have been public knowledge for a long time, now. Investigative reports in 2015 revealed that Exxon had its own scientists doing its own climate modeling as far back […]

    5 Questions Answered About the Safety of Chicken Imported from China

    5 Questions Answered About the Safety of Chicken Imported from China

    By Maurice Pitesky Editor’s note: Under a trade deal concluded in May, China has begun exporting chicken to the U.S. Critics have pointed to China’s record of food safety issues and argued the deal prioritizes commerce over public health. Here Maurice Pitesky, a poultry extension specialist at the University of California, Davis School of Veterinary […]

    Fracking Comes to the Alaskan Arctic

    Fracking Comes to the Alaskan Arctic

    By Scott L. Montgomery Arctic lands and waters hold irresistible allure for global oil companies. Despite opposition from environmental groups and President Obama’s 2016 ban on drilling in federal Arctic waters, exploration in Alaska has revealed massive new volumes of oil. This comes at a time of low oil prices, when many observers felt the […]