Marin Biogas is using sea ascidians as an AD plant feedstock as an alternative to land-based crops - a process it says can reduce eutrophication and cut greenhouse gas emissions
Lands far and wide have been scoured for renewable energy biofuel feedstocks, with palm oil, corn crops, cheese, chicken litter and even ice cream just a few of the bioenergy sources identified so far....
Tech giant quadruples number of locations for US customers to hand in old iPhones as part of recycling and reuse drive
GreenBiz releases its latest update on soaring renewables demand from US corporates
Record amount of future new wind capacity will be financed from last year's investment, according to WindEurope
Nation known for its natural beauty is under pressure with extinctions, polluted rivers and blighted lakes