Human activity over the last decades has been changing our planet's climate by releasing greenhouse gases into the atmosphere. The Earth's atmosphere now contains about 410 ppm carbon dioxide (compared to 280 ppm in the 18th century)1,2.

Human activity over the last decades has been changing our planet's climate by releasing greenhouse gases into the atmosphere. The Earth's atmosphere now contains about 410 ppm carbon dioxide (compared to 280 ppm in the 18th century)1,2.