What share of the global economy is represented at the G20 summit?
The Scale of G20 Greenhouse Gas Emissions

Can the G20 summit help advance international cooperation on the environment?
The G20 by Population

More than half of the global population is represented at the annual G20 summit.
Battery Production: Low-Risk Lithium (and Nickel)

Stable and secure countries produce most of two key metals for battery production.
Energy Extraction Politics in the Renewable Age

Emerging market economies in a post-oil era might find themselves in the same traps when mining for the necessary metals.
Cobalt for Batteries

Cobalt is the rechargeable battery component that is most geopolitically risky to obtain.
Japan’s High-Speed Rail

While pioneering Japan is no longer home to the biggest high-speed rail network in the world, it remains premiere.
Europe’s High-Speed Rail Leaders

Spain, France and Germany have the largest high-speed train networks after China and Japan.
The State of US High-Speed Rail

The fledgling network does not compare well to other countries with high-speed trains.