The Paris climate summit was historic as a political achievement but it’s not clear how and when the hard problems of emission cuts and climate finance get tackled.
Ambuj D Sagar, The Indian Institute of Technology Delhi
Developing countries need technical and financial aid to begin the transition to low-carbon energy now, not just pledges to invest in energy R&D with payoffs decades from now.
The US-China relationship is crucial to any global deal on climate change. How strong is their common commitment to working on climate change, and can it last?
How to ensure rich countries will live up to their promises of money and carbon emissions cuts? Developing countries need to look to the Allies’ unified strategy in World War II.
A narrow debate of what countries should pay to respond to climate change obscures a bigger moral discussion that touches on economics, ethics and people’s relationship to the natural world.
An analysis of social media shows climate activists have seized on the Paris climate talks to spread the word, but dialogue with oil and gas industry is absent.
Blocking the sun by injecting tiny particles in the atmosphere – called solar geoengineering – can lower the Earth’s temperature but has some real costs. Economists run the numbers.
New analysis reveals carbon capture at coal power plants is significantly more expensive than thought, making renewables and natural gas power generation more attractive.
Older people are politically active and have the talent and time to get more involved in addressing climate change. But in the US, they’ll need some convincing.
Dealing with climate change will require countries to ‘decarbonize’ their energy infrastructure. The history of infrastructure suggests this could happen quickly once the transition starts.
More than 2,000 academics, including philosophers and ethicists, are urging global leaders at the Paris climate summit to focus on the moral dimensions of climate change.
Many corals can’t make it through the bleaching events caused by warming ocean waters. But some can – and scientists are trying to learn more about the sources of their resilience.
More than two billion people lack access to decent sanitation. Innovative sanitation technologies can bring toilets into the 21st century with benefits for the developing and developed world.
As electric vehicle fans, Tesla’s customers are a key cog in the company’s marketing machine. How much pull will they have as Tesla makes the Model 3 for a broader – and tougher – crowd?
New Canadian prime minister Justin Trudeau brings a very different face to climate talks in Paris. Will it project its oil extraction tradition or show global leadership on emissions cuts?
Until now, the legal system has tolerated corporate deceptions of the public but New York state’s investigation into Exxon on climate could start to rewrite the rules.
Environmental economists have long argued a carbon price is the best way to factor in the social cost of climate change. Did Obama effectively use a carbon price to nix the Keystone XL pipeline?