Experts have released 30 000 catfish into the Chicago River in an effort to measure the signs of progress in cleaning up the notoriously polluted water. >
This proposal to revitalise New Delhi through a polluted network of canals would minimise pollution and improve transport but it keeps getting delayed. >
The Ocean Cleanup, an innovative passive system designed to clear plastic waste from the oceans, will be launching their first open water test in early 2016. >
Nigerian-born singer-songwriter Helen Isibor-Epega, who performs under the name The Venus Bushfires, wrote the world's first ever Pidgin English opera. >