Recycled cotton becomes new fabric

A lot of us recycle our old textiles, but few of us know that they are very difficult to re-use, and often end up in landfills anyway. Now, researchers at Lund University in Sweden have developed a method that converts cotton ...

Carbon pricing may be overrated, if history is any indication

A common demand in discussions about climate change is to respect the science. This is appropriate. We should all be paying close attention to the urgent and terrifying conclusions being published by climate scientists.

Our cities are hidden power stations

Waste heat and locally-produced renewable energy can be generated by compact, "urban power plants" that are efficient enough to supply heat to entire housing estates.

Heating and cooling with waste heat from industry

Heating and cooling in the future will utilise energy gained from waste heat which will be distributed at low temperature using district heating and cooling networks. It will thus make use of the heat wasted by cooling systems ...