We'd like another half a planet, please

摘要

It is a pity we have only one planet to live on. The latest planetary health assessment shows we need 1.4 Earths to sustain the average lifestyle. If we don't slow down, the report warns, "humanity is at risk".rnThe UN Environment Programme released its fourth Global Environment Outlook (GEO) report last week. And while the human ecological footprint is 21.9 hectares per person on average, the Earth's biological capacity is just 15.7 hectares per person.