Tag: global temperatures

  • Nation & World

    Mitigating the risk of geoengineering

    To halt the rise of global temperatures, Harvard researchers are looking at solar geoengineering, which would inject light-reflecting sulfate aerosols into the stratosphere to cool the planet.

    4 minutes
  • Nation & World

    Ambitious undertaking

    U.S. Undersecretary of Energy Kristina Johnson said the United States plans to have 80 percent of its energy come from alternative and unconventional fossil fuels by 2050. She spoke as part of the “Future of Energy” discussion series sponsored by the Harvard University Center for the Environment.

    3 minutes
  • Nation & World

    Expert: Lift taboo on Earth engineering

    University of Calgary Professor David Keith calls for investment in geoengineering research as part of the search for solutions to climate change.

    5 minutes