The idea behind controlling waterways through dams isn’t new. The oldest dam in the world, the Kallanai Dam, began operation on the Kaveri River in Tamil Nadu, India in the 2nd century, and it’s still in use today.
Every year, California wildfires force residents to temporarily evacuate their homes and seek refuge in shelters, motels, or with relatives. While the wildfire season is one of the few things that truly unites both Northern and Southern California, it’s also not a new phenomenon: you can track over a century of California wildfires recorded by […]
This NASA visualization shows a rapid decline in Arctic Sea ice over the last 35 years, based on satellite observations. The situation is really bad: in the 1st week of January 1988, over 1.2 million sq. miles (3.1 million km2) were covered by sea ice 4 years of age or older, compared with just over […]
The era of climate change is upon us, and if we stand idle, its far-reaching negative impact will only increase. Increased emissions of greenhouse gases like carbon dioxide, methane, and nitrous oxide play a significant role in the onset of climate change. Gases like these trap heat in the atmosphere, not allowing temperatures to fall. […]
Paulo de Souza, Griffith University Climate Explained is a collaboration between The Conversation, Stuff and the New Zealand Science Media Centre to answer your questions about climate change.
One fact about our time is becoming increasingly well-known. No matter how far you travel, no matter in which direction you point, there is nowhere on Earth that remains free from the traces of human activity. The chemical and biological signatures of our species are everywhere. Transported around the globe by fierce atmospheric winds, relentless […]
Whilst air pollution is a problem all around the world, it can be particularly troublesome in developing countries. According to the World Health Organisation (WHO), 98% of inhabitants of big cities in low-income countries live in a high level of air pollution, leaving them with a number of health problems due to the poor quality […]
There is no way of protecting the climate without drastically mitigating fossil fuel combustion. Nearly half of CO2 pollution comes from power plants burning fossil fuels. But there’s a way to turn things around. Renewable energy cuts down carbon pollution and has a much lower impact on the environment.
Gareth Dorrian, University of Birmingham and Ian Whittaker, Nottingham Trent University In a rare instance of environmental success, the United Nations has just announced it believes the damage to the Earth’s protective ozone layer will be fully restored by the year 2050. This stands in stark contrast to the increasing alarm over the climate emergency, […]
Pedro L. Godoy, Stony Brook University (The State University of New York) What does the term crocodylian bring to mind? A big reptile with a chomping jaw?