Activists are struggling to keep up as pet owners fall ill, are quarantined or abandon their animals.Read more
Scientists around the world are working on ideas that could stop banana crops being wiped out by Panama disease.
ChopValue collects 350,000 used bamboo chopsticks from Vancouver restaurants every week.
Jade Cuttle puts electrodes onto plants and converts the energy from the leaves into music to better connect with nature.
The Swedish teen environmental campaigner rallies protesters ahead of a march through the city.