Geoengineers Say Atmospheric Spraying Could Work To Reduce Global Warming Injecting sulfates into the lower atmosphere every year could offset the warming effects by greenhouse gases. However, according to a new study, it would be very costly to carry out the project in addition to potential environmental consequences. by Diane Samson
Science Can Volcanoes Help Cool The Earth? Scientists Are Preparing For The Next Big Eruption by Athena Chan