Using biofuels to power the future
Internal combustion engines are being superseded by EVs. However, electrifying the whole transport sector is likely to take decades. In the interim, biofuels offer a way to reduce greenhouse gas emissions. Lou Reade reports
Micropollutants: The challenge of removing them from wastewater
Sometimes it takes one country to lead the way. So it was when Switzerland pioneered the removal of micropollutants from wastewater effluent with new legislation in 2016. Anthony King reports
Could there be another pandemic, and are we ready?
Covid may not be the last pandemic we experience in our lifetime. Experts suggest we are not well prepared – even for diseases arising from known pathogens such as flu or coronaviruses. So what about an unknown? Katrina Megget reports