COVID-19 vaccines from COVAX, the international vaccine-sharing program, arrive in Khartoum, Sudan, on Aug. 5. In a letter to President Biden, health experts are asking him to take action to manufacture and distribute vaccines to the entire world. Ebrahim Hamid/AFP via Getty Images hide caption
A wind farm in Wyoming generates electricity for a region that used to be more dependent on coal-fired power plants. A new study finds that millions of lives could be saved this century by rapidly reducing greenhouse gas emissions. Matt Young/AP hide caption
Fuel holding tanks are pictured at Colonial Pipeline's Dorsey Junction Station in Woodbine, Maryland in May 2021, the month that a cyberattack disrupted gas supply to the eastern U.S. for several days. Drew Angerer/Getty Images hide caption
Harris County, Texas, Sheriff Ed Gonzalez during a 2017 news conference in Crosby, Texas. President Biden has nominated Gonzalez to head U.S. Immigration and Customs Enforcement as part of an attempt to overhaul the agency. Gregory Bull/AP hide caption
Former interpreters for U.S. and NATO forces gather during a demonstration in downtown Kabul, Afghanistan, on April 30, on the eve of the beginning of Washington's troop withdrawal. Wakil Kohsar/AFP via Getty Images hide caption
Handy Kennedy, founder of AgriUnity cooperative, feeds his cows on HK Farms earlier this year in Cobbtown, Ga. The AgriUnity cooperative is a group of Black farmers formed to better their chances of economic success. Michael M. Santiago/Getty Images hide caption
Cindy Mumford and her neighbors are working with several organizations in Cleveland, gathering support and financing to get a community solar project up and running. Ryan Kellman/NPR hide caption
Vaccine doses are in short supply in African countries — and even when they arrive, there may not be a way to get them into people's arms in a timely fashion. Above: People wait to get vaccinated at a hospital in Thika, Kenya, in March. Patrick Meinhardt/Bloomberg via Getty Images hide caption
A patient rests at the COVID ward of the regional hospital in Leova, Moldova, on March 23. Moldova remains one of the poorest countries in Europe and has relied on vaccine donations from Romania and COVAX, a program that aims to distribute the world's vaccines more equitably. Daniel Mihailescu/AFP via Getty Images hide caption
Migrants and asylum seekers are seen after spending the night in one of the car lanes off the San Ysidro Crossing Port on the Mexican side of the U.S.-Mexico border in Tijuana on April 24, 2021. A group of migrants asked U.S. migration authorities to allow them to start their migration process and decided to stay at the crossing port to pressure for a solution to their situation. Guillermo Arias/AFP via Getty Images hide caption
Edita Maldonado hosts a weekly radio program that tries to reunite migrants who disappeared on the dangerous trek north with their loved ones back in Progreso, Honduras. Tomas Ayuso for NPR hide caption
A medical professional from UofL Health administers a vaccine to a patient in their vehicle at University of Louisville Cardinal Stadium. Jon Cherry/Getty Images hide caption
An image from video provided by the White House shows first lady Jill Biden meeting with her virtual guests ahead of President Biden's joint address on Wednesday. Many Democratic lawmakers are also naming guests of honor, who will be watching the speech remotely. White House via AP hide caption
The Adelanto U.S. Immigration and Enforcement Processing Center in Adelanto, Calif., is operated by GEO Group, Inc., a Florida-based company specializing in privatized corrections. The facility is one of 39 recommended by the ACLU for closure. Chris Carlson/AP hide caption