At Resource Management's materials recovery facility, workers pull plastic bags, other trash and large pieces of cardboard off the conveyor belts before the mixed single-stream recyclables enter the sorting machines.
Véronique LaCapra/St. Louis Public Radio
A platform owned by Mexico's state-run oil company Pemex is seen off the Bay of Campeche in the Gulf of Mexico. The country has recently opened up its energy sector to foreign investors.
Renewable energy sources — such as the Eolo wind park about 75 miles south of the Nicaraguan capital, Managua — generate about half of the country's electricity. Officials predict that figure could rise to 80 percent within years.
Inti Ocon/AFP/Getty Images
A functioning oil rig sits in front of the capital building in Oklahoma City, Okla. The oil industry is an important employer in the state, but officials are concerned a technique used to dispose of wastewater from oil extraction is behind a surge in earthquakes here.
Elizabeth Ebinger in Maplewood, N.J., bought her solar panels, while neighbor Tim Roebuck signed a 20-year lease. Both are happy with the approach they took, and both are saving money on energy bills.
Casa Dominique is an ecolodge on Lanzarote's northern coast. Julie Genicot, a French trekking guide, has lived in Lanzarote since her grandparents opened the Casa Dominique when she was a child. She worries that offshore oil drilling might ruin the natural environment she grew up in.
Pipes for TransCanada's planned Keystone XL pipeline are stored in Gascoyne, N.D. The U.S. House has voted to approve the proposed project, which would allow crude oil to flow from Canada to the Gulf of Mexico. The Senate plans to vote Tuesday on legislation that would greenlight the project.
Ray Gerrish repairs a drilling rig near Watford City, N.D. Oil industry analysts predict that oil prices will have to remain low for at least several months before having a significant effect on U.S. production.