First question about the three pillars of sustainability: what is sustainability The concept arose from environmental activism. It’s taken to mean making sure that the current generation can meet its needs without making it impossible for future generations to meet … Continue reading →
On April 22, 1970, Earth Day kicked off the environmental movement. The following year, Dr. Seuss published The Lorax. It featured the familiar whimsical drawings and rhymes, but in place of the usual humor, Dr. Seuss served up a dire warning about … Continue reading →
Carbon credits for urban forests represent a new variant of an established investment. Companies have long been able to buy carbon credits to offset their emissions of greenhouse gases. That is, investing in technologies that remove carbon from the atmosphere … Continue reading →
When we decide not to use paper for something, we say we’re saving trees. A couple of tree-saving substitutes have proved not to be a boon to the environment: plastic and coal. Yes, using plastic bags instead of paper bags … Continue reading →
Deforestation and destruction of grasslands and wetlands have taken a toll on biodiversity. We are beginning to see the value in ecological restoration: reversing these trends and making safe habitats for other species of animals. Some people have long questioned … Continue reading →
Land can be either a carbon sink or a carbon source. That is, it can take in and hold carbon dioxide and other greenhouse gases (carbon sink) or release them back into the atmosphere (carbon source). Forests and grasslands occupy … Continue reading →