Officials with Ontario's environment ministry say field studies are continuing along the English-Wabigoon river system and at the site of the pulp mill in Dryden to determine if there is an ongoing source of mercury that's leaching into the water and poisoning two northern Ontario First Nations.
Hydrogen-powered cars are still few and far between. In Europe, Denmark stands out for having the most dense network of stations for the CO2-free fuel. Oliver Ristau looks at whether such cars are suitable for daily use.
Europe's sustainability practices are world-leading, but some believe that what has passed as recycling should actually be called liability shifting. DW spoke with an American who plans to change all that.
Pot prohibition is gradually lifting, but state and federal growing guidance is lacking. EHN visited West Coast growers committed to nudging the fledgling industry in a chemical-free, Earth-friendly direction.