Even environmentally conscious hikers are neglecting to clean their boots before heading for the mountains and thus may be introducing alien plants to the environment, according to a survey. “Visitors ...

The beauty of the pink and purple carpets of digitalis flowers increasingly seen on hillsides in Japan conceals a potential menace to ecosystems and even human health. The flowers, which blossom in ...

Volunteers joined Jozi Trails at Florence Bloom Bird Sanctuary to remove invasive Verbena bonariensis, a harmful weed ...