Finding Life in Space: Why are we so special?

by Wei Lifigures by Catherine Ding The universe is massive, with an estimated 70 quintillion planets—that is 70 followed by an additional 18 zeros. In the Milky Way alone, where we reside, there are billions of planets. With these huge numbers, Earth seems very insignificant in the grand scheme of things. This raises the question: are we truly alone in this vast space of the … Continue reading Finding Life in Space: Why are we so special?

Reversing Climate Change with Geoengineering

by Sanjana Kulkarnifigures by Jovana Andrejevic The average global temperature is increasing faster now than at any time in the last 2 million years. This has fueled record-breaking droughts, heat waves, and wildfires, and has intensified weather patterns, causing more extreme and damaging hurricanes and rainfall. Human activity is driving this change, primarily through the emission of carbon dioxide (CO2) and other greenhouse gases, which … Continue reading Reversing Climate Change with Geoengineering

Internationally Banned Ozone-Destroying Pollutant Emissions in China have Declined

For years, banned air pollutants that damage the ozone layer have been coming out of eastern China. Using the same atmospheric monitoring network that first detected the pollution, scientists recently found that the emissions from the country have now largely stopped. Continue reading Internationally Banned Ozone-Destroying Pollutant Emissions in China have Declined