There is growing concern that the world’s oceans are in crisis because of climate change, overfishing, pollution and other stresses. One response is creating marine protected areas, or ocean parks, to conserve sea life and key habitats that support it, such as coral reefs.
As the climate warms, the dry southern regions of the Western United States will have less groundwater recharge while the northern regions will have more, researchers report.
The aviation industry produces 2 percent of global human-induced carbon dioxide emissions. This share may seem relatively small – for perspective, electricity generation and home heating account for more than 40 percent – but aviation is one of the world’s fastest-growing greenhouse gas sources. Demand for air travel is projected to double in the next 20 years.
The following is a roundup of previously published articles.
Vertical axis wind turbines, which may have fewer effects on birds and nearby people, could increase public support for new wind energy installations, new research suggests.