As fans cheered on Team Refugee in Rio, thousands of refugees from Afghanistan, Pakistan and elsewhere suffered epidemics of scabies and dysentery in derelict Olympic stadiums in Athens.
A steel structure in the Amazon, taller than the Eiffel Tower, will soon begin monitoring the atmosphere above the world’s largest tropical forest.
Philip Fearnside, a biologist who studies the relationship between human activities, such as agriculture, and the protection of tropical forests, says that soy production threatens the Amazon forest.
Ambitious experiment will test whether rising CO2 will boost the tropical carbon sink.
Childhood obesity is on the rise in Brazil. But thousands of school gardens around the country are trying to change children's eating habits by helping to build a connection to fresh food.
A 2009 law requires Brazilian cities to buy at least 30 percent of ingredients for meals in public schools from family farmers. The law has helped poor farmers and improved the quality of meals.
Brazil’s school feeding program is considered one of the best in the world. Journalist Rhitu Chatterjee was prepared to be impressed, but she didn't expect such high quality and care.
Soda or fresh fruit? Brazil's school feeding program began as a way to reduce hunger and malnutrition. But today, the program helps tackle obesity by encouraging children to "eat healthy."
Brazil is a global agricultural powerhouse, exporting products like coffee, cane sugar, orange juice and beef. But 70 percent of what Brazilians eat is grown by small family farmers.
Santiago Calatrava’s dramatic design for The Museum of Tomorrow sets new standards for sustainable architecture. But it is also a massive symbol of deepening socioeconomic divides.
Brazil’s Homeless Workers’ Movement stages occupations to protest rising corruption and inequality in South America’s biggest city.
Those in greatest need of basic amenities are nowhere near the biggest infrastructure investments being made in preparation for the 2016 Olympic Games.