These countries are leading the transition to sustainable energy

Sweden tops the ranking for the third year in a row.

AXEL SCHMIDT/DDP/AFP via Getty Images

What does COVID-19 mean for the energy transition? While lockdowns have caused a temporary fall in CO2 emissions, the pandemic risks derailing recent progress in addressing the world's energy challenges.

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3 ways quantum computing can help us fight climate change

There's a lot we can do with current technology to help stem the tide of climate change, but future technology may help even more.

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  • Part of what makes fighting climate change so hard is that solutions take years or even decades to develop.
  • Meanwhile, the amount of CO2 already in the atmosphere means that climate change has momentum on its side, and its effects are already being felt.
  • However, quantum computing would represent a breakthrough that could cut down on the time needed to research and develop solutions exponentially, turning the work of decades into years or less.
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Scientist figures out how to move our sun to avoid space collisions

An astrophysicist proposes new designs for stellar engines that can move a solar system.

Credit: CapnHack, via energyphysics.wikispaces.com.
  • An astrophysicist proposes two new designs for stellar engines.
  • The engines would be able to move our sun and whole solar systems.
  • Moving the sun would be necessary to avoid collisions with supernovas and other space catastrophes.
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Physicists discover how to safely create star power on Earth

Princeton scientists find a new way to control nuclear fusion reactions.

NASA's Solar Dynamics Observatory. (Courtesy: NASA/SDO)
  • A new study from Princeton physicists successfully uses boron powder to control nuclear reactions in plasma.
  • Creating plasma can lead to an unlimited supply of energy.
  • The new method is cheaper and less dangerous than previous approaches.
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Global emissions slowed down in 2019, but still reached a record high

Recent research estimates that the growth of emissions slowed down to 0.6 percent in 2019. However, this still means that humans released more CO2 into the atmosphere in 2019 than in any other year.

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  • A series of studies concluded that the growth in emissions have slowed to 0.6 percent in 2019.
  • Despite this, 2019 was another record year, with 37 gigatons of CO2 released into the atmosphere.
  • The U.S. and E.U. actually reduced their emissions in 2019, but this was offset by the growth in emissions from the developing world. The findings highlight the importance of developing renewable energy infrastructure in these countries.
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