A new study finds 70% of Amazonian dung beetles were killed by the severe fire and droughts of 2015 to 2016. By spreading seeds and poop, dung beetles fertilize forests and aid regrowth of vegetation.
Native Brazilians are among the Amazon's most effective defenders against logging and mining, because they're fighting not just for the environment but for their people's very survival.
Dams built to hold enormous quantities of toxic mining waste have a long history of spills. Decisions in the Pacific Northwest threaten three free-flowing rivers there.
Wildlife crime is difficult to track but of deep concern since about 60% of primate species are now threatened with extinction.
If Brazil can find an efficient, pragmatic way to welcome, protect and integrate hundreds of thousands of forced migrants arriving at its border, so can more affluent states.
The only centre for LGBTQ+ refugees in Latin America is overwhelmed by demand and is struggling to take in refugees from Venezuela.
About 24,000 square miles of Amazon rainforest have been deforested over the last decade.
As evangelicalism spreads across Brazil, some of Rio de Janeiro's most notorious gangs see minority religions as an affront to God. And they're using guns to spread their gospel.
Most countries manipulate their currencies – at least a little – but at the moment that's not the real reason they are undervalued relative to the dollar.
In the last century, several South American countries faced coups, military dictatorships and social uprisings. Despite economic improvements in recent years, the continent remains mired in unrest.
Brazilian evangelicals are politically conservative, but they still believe in climate change. Turning them into climate activists, however, will be a challenge for the environmentalist movement.
Farmers worldwide say Monsanto's policy of charging for every use of its genetically modified seeds violates their planting rights. But judges in these patent law cases aren't so sure.
A host of political and social factors have created Brazil's polarised political climate.
Hundreds of bishops, priests, missionaries and tribal leaders are at the Vatican for the Synod of the Amazon, a three-week meeting focused on the environmental crisis threatening Amazonian peoples.
Progressives are leading in the presidential elections of Argentina, Uruguay and Bolivia, bucking the region's recent rightward trend. But there are lessons in the failures of leftists past.
Genetically modified mosquitoes were released in Brazil in an attempt to halt the spread of dengue fever by reducing the mosquito population.
As the House mounts an impeachment investigation of President Trump, examples from Central and South America show that ousting an executive leader from office doesn't always have the intended effect.
Reversing the damage from fires in Brazil's rainforest is not as simple as allowing trees to grow back. Decades of research shows how fires degrade their long-term health and utility.
Shifting the capital of Indonesia and other countries may actually send the wrong message that cities too can be discarded.
There are a number of effective interventions to prevent gender-based violence among adult women and men at risk of HIV infection. But little is known about the effectiveness of these in young people.