“Researchers estimated that under the current climate conditions, Earth’s land could support 4.4 billion hectares of constant tree cover. That’s 1.6 billion more than the existing 2.8 billion hectares. Of those 1.6 billion hectares, 0.9 billion hectares fulfill the criterion of not being used by humans. That means that there is currently an area of… Read more

“Regulating the environmental impact of flying is a complex business. Ignorance and inaction is an appealing reaction to complexity, but we need to act before aviation gobbles up more of the increasingly small wriggle-room for emission cuts. We can try and reduce the number of flights taken, buy carbon offsets for unavoidable flights, and question… Read more