Climate change affects poor and marginalized communities first and hardest. These effects are happening now – not in a far-fetched future. Particularly in cities, a lack of access to basic services, a long history of unsustainable urban development, and political ...

In 2014, São Paulo nearly ran out of water. Schools closed, crops faltered and reservoirs were left at a tiny 5 percent of their capacity for the city and its surrounding population of 22 million. It was the worst drought in eight decades. ...

Glaciers do more than feed our rivers and lakes, they also serve as critical savings banks for water withdrawals when other sources dry up. In South America, the glaciers and snowpack that crown the Andes provide slow, consistent meltwater that ...

Cape Town is running out of water. After three years of intense drought, South Africa’s second-largest city is just a few months away from “Day Zero,” the day when the city government will shut off water taps for most homes and businesses. The impacts ...

The Metropolitan Area of the Valley of Mexico, as Mexico City’s wider metropolitan area is locally known, faces a two-fold dilemma. In recent years, the intensity of rains has increased, straining drainage systems and causing severe flooding in low-lying areas. ...

Brazil’s cities, home to 85% of the country’s population, are already feeling the effects of climate change. Intense rains and floods in Rio de Janeiro are causing fatal landslides with high social and infrastructure costs. Temperatures are climbing to record-breaking highs in Porto ...