How we measure energy efficiency in homes isn’t working
If you’ve ever rented or bought a house, you’ve probably come across energy performance certificates (EPCs). These certificates, with their brightly coloured bar charts, adorn…
Warning of Climate Chaos, New 350.org Campaign Demands Fed ‘Stop Fossil Fuel Finance’
The grassroots environmental advocacy group 350.org on Tuesday launched the “Fossil Free Federal Reserve” campaign, demanding the Fed codify its climate responsibility and calling on U.S….
Power-to-x fuels are key for climate-friendly shipping and aviation
Electricity-based synthetic fuels – so-called power-to-x fuels (PtX) – are a “central building block” in making maritime and air transport climate-friendly, environment minister Svenja Schulze…
Hundreds of planned coal mines ‘incompatible with 1.5C target’
Proposals to build hundreds of new coal mines could raise global output of the fossil fuel by 30%, putting the world’s climate goals or up…
Cooler, Cleaner Megacities, One Rooftop Garden at a Time
Growing greens can be a powerful tool for change. The view of Cairo from the air is one of concrete buildings and tangled overpasses stretching as…
The number of lives that clean energy could save, by U.S. state
Air pollution from burning fossil fuels causes over 50,000 U.S. deaths and $445 billion in economic damage annually. The United States can achieve net-zero carbon…
Creating zero-emission aviation with hydrogen and electric power
The path to zero emissions for the aviation sector by 2050 requires a combination of solutions where new propulsion and fuel technologies will play a…
Tougher environmental policies can create economic winners
There seems to be a working assumption that if Australia adopts tougher environmental policies, our economic growth will be undermined. But new research finds the…
No renovation wave in sight across EU recovery plans in central and eastern Europe
In the national recovery and resilience plans, energy efficiency and building renovations can play a key role for Member States to achieve the required target…
Small climate changes can have devastating local consequences – it happened in the Little Ice Age
The Little Ice Age brought some bitter extremes. Pieter Bruegel the Elder, 1565 Dagomar Degroot, Georgetown University In recent weeks, catastrophic floods overwhelmed towns in…
Space tourism: rockets emit 100 times more CO₂ per passenger than flights – imagine a whole industry
Space tourism: rockets emit 100 times more CO₂ per passenger than flights – imagine a whole industry Eloise Marais, UCL The commercial race to get tourists…
4 Major Environmental Treaties the U.S. Never Ratified — But Should
Most of the world’s countries support these global agreements on conservation and pollution, but the United States is noticeably absent. In one of his first…
Being smart about smart cities: A governance roadmap for digital technologies
Governance is emerging as a serious consideration when it comes to the use of advanced digital technologies to drive smart city objectives. Cities looking to…