Helium is incredibly important for technology. Yet, because it is so light, it escapes into the atmosphere and is very limited in supply.
Nearly 100 GW of new power coming online is from solar and wind, making up 36% of new electrical capacity being added in these jurisdictions.
The decline of coal has been swift and unprecedented. We show in these three charts how it went from American energy hero to zero.
See in this .gif animation how much the U.S. electricity grid has evolved over the last two decades.
This chart shows the history of America's energy supply based on energy source. This brief history covers all from wood-powered locomotives to solar panels.
This series of data visualizations shows how the United States has generated its electricity so far in 2015 by energy source and size of each power...
Ranking the world's 10 biggest oil and gas companies by oil production per day, country, and production growth over the last decade.
In 2015 Q1, silver and uranium led the way, while oil and natural gas struggled. See all returns in today's Chart of the Week.
This visualization compares the annual returns of major commodities over the last 10 years including gold, silver, oil, and more.