The last known member of the snail species Achatinella apexfulva has died of natural causes in Hawaii.
Smart cities, resource-efficient appliances, agricultural tools – there are over 4,500 exhibitors and 1,200 startups from 50 countries.
We could feed 200 million more people with the calories lost to photorespiration each year.
Scientists looking at next-generation green technologies are also eyeing some ancient practices that work.
In total, 418 wild Bengal tigers are known to have died since 2014, or eight tigers on average each month.
"Nuclear is ideal for dealing with climate change because it's the only carbon-free, scalable energy source [always] available."