‘Rhino Coin’: Can a Cryptocurrency Help Save Africa’s Rhinoceroses?

By Adam Welz

Interview

Climate Solutions: Is It Feasible to Remove Enough CO2 from the Air?

By Elizabeth Kolbert

At Last, the Shipping Industry Begins Cleaning Up Its Dirty Fuels

By Maria Gallucci

As Subsidies Wane, Market Forces Drive the Growth of Renewables

By Vaishnavi Chandrashekhar

Interview

After the Storm, Puerto Rico Misses Chance to Rebuild with Renewables

By Katherine Bagley

Waste Heat: Innovators Turn to an Overlooked Renewable Resource

By Nicola Jones

Where Water is Scarce, Communities Turn to Reusing Wastewater

By Jacques Leslie

Can ‘Vaccines’ for Crops Help Cut Pesticide Use and Boost Yields?

By Richard Conniff

Transportation

End of the Road: Are Diesel Cars on the Way Out in Europe?

By Paul Hockenos

Why Green Groups Are Split on Subsidizing Carbon Capture Technology

By Richard Conniff

Energy Hogs: Can World’s Huge Data Centers Be Made More Efficient?

By Fred Pearce

Europe Takes First Steps in Electrifying World’s Shipping Fleets

By Paul Hockenos

After an Uncertain Start, U.S. Offshore Wind Is Powering Up

By Roger Drouin

Analysis

Will Self-Driving Cars Usher in a Transportation Utopia or Dystopia?

By Jacques Leslie

In Drive to Cut Emissions, Germany Confronts Its Car Culture

By Christian Schwägerl

Interview

Could Evaporation Be a Significant Source of Renewable Energy?

By Diane Toomey

Unnatural Surveillance: How Online Data Is Putting Species at Risk

By Adam Welz

Utilities Grapple with Rooftop Solar and the New Energy Landscape

By Jacques Leslie

Should Genetic Engineering Be Used as a Tool for Conservation?

By Richard Conniff

Eyes on Nature: How Satellite Imagery Is Transforming Conservation Science

By Richard Conniff

Northern Lights: Large-Scale Solar Power Is Spreading Across the U.S.

By Cheryl Katz