The hidden cost of cryptocurrency;

Tehran's toxic air;

Reclassifying climate change;

China moves to manage carbon emissions;

Indonesia's sinking city

Start-up working on floating city prototype;

China's plan to reengineer Tibet's environment;

Crisis in Lake Chad basin;

Glacial melt provides Peru with a new water source...for now;

The forecast for global famine

The problem of food security in Pakistan;

A crackdown on illegal mining in Brazil;

A spike in atmospheric carbon dioxide;

Russia's expanding global nuclear presence

Yemen's cholera outbreak rages on;
Migration and the Middle East water shortage;
America eyes Europe's LNG market;
Water and American energy independence;
China's controversial "Great Green Wall"

The Islamic State's scorched earth strategy;

Cairo's hydrological diplomacy;

South Asia's rainy season;

Pakistan's population bomb;

A source or scarcity in Southeast Asia