The greenhouse gas emissions from concrete production are hard to cut but a new low-carbon cement facility is scaling up production of a far more sustainable alternative.

Shipping companies have billions invested in fleets that were built to last decades. Now, the US is calling for zero emissions by 2050, and the EU is raising the cost of fossil fuel use.

Governments may be forced to put back deadlines to shift away from petrol and diesel.

Heat pumps are the technology of choice for heating and cooling buildings more efficiently and with fewer carbon emissions than furnaces and air conditioning. Here's how they work.

Even if they can't save us from climate change, society still depends on forests.

Training neural networks burns through a lot of energy. As the AI field grows, it's working to keep its carbon foot print from growing with it.

Making the solutions cheaper – rather than the problems more expensive – could reduce emissions more fairly.