Fraudulent fish, refugee myths, the racial wealth gap and other top stories of the week
Also in this week's round-up: China's robot boom, the power of blockchain and why one country is paying migrants to return.
After 13 years of research, scientists know how to save the world's coral reefs
A 13-year study covering 2,500 reefs reveals effects of climate change and other human-produced factors on coral.
Ocean warming is the key driver of glacial retreat since the last ice age in the Ross Sea
Using past models, scientists learn ocean warming was the key driver of glacial retreat since the last ice age in the Ross Sea.
Water pollution is an 'invisible threat' to global goals, economists warn
The world tends to focus on water quantity such as floods and droughts, but this report focuses on the more invisible threats, like the effects of pollutants.
This is how cities around the world can avoid a water crisis
Water shortages and scarcity present a major risk for cities across the globe. Better monitoring and improved response plans will be vital if we're to stop them turning into major crises.
This chart shows just how abnormally hot it's been in 2019
2019 has been consistently hotter than historial averages, according to NASA data.
The 'lungs of the planet' are on fire
The Amazon rainforest is suffering severe wildfires, with thousands currently burning.
Long-term exposure to air pollution is like smoking a pack of cigarettes a day
US researchers have found a chronic illness more typically found in smokers is on the rise – and poor air quality is the culprit.
Rising water stress could counteract ‘global greening’, study says
New research suggests that the increased rate of plant growth around the world as a result of rising CO2 levels - known as 'global greening' - could be slowed by increased water stress.
Climate change could be prolonging and worsening your hay fever
Climate change is extending pollen seasons and distorting pollen concentration, in turn, triggering prolonged allergic reactions.
Arctic regions are burning – and it should set alarm bells ringing
Fires in the most northerly regions of the Earth are normal, but new research has shed concerning light on recent fires, suggesting they're too frequent, intense and severe.
Sensors watch the Matterhorn for crumbling rock and cracking ice
Researchers conducted a study describing a 10-year record of high-resolution data captured by scientists on the Hörnli ridge of the Matterhorn, 3,500 meters above sea level.