Agriculture doesn't have to degrade soils – it's possible for food production to enrich the earth, restore nutrients, conserve water, and prevent erosion.
The world has 53.3 years left to find an alternative to oil before current proved reserves run dry, according to BP. Of course, nations are finding new oil – meaning that number is rising – but new extraction methods are costly and can pose environmental threats.
Two companies are looking into shipping liquefied natural gas through the Arctic Ocean. What environmental and economic effects would an Arctic Ocean shipping route have?