With a limited outlook for international climate negotiations, some hope can be found in a battle between the US and Europe over the regulation and taxation of airline emissions. An industry-level agreement could be a model for compromise on international climate policies.
A Russian plane crash killed 44 of 52 aboard a Tu-134 today. While the age of the plane was questioned, some experts also point to need for better training and maintenance at smaller carriers.
South Korea is making a second attempt to put a Naro-1 satellite into Earth's orbit with a locally assembled rocket. The first try failed last year because of a malfunction.
The changes focus on stepped-up intelligence sharing. They also attempt to address concerns that arose after new airline security measures were put in place in January.
New ways of handling air traffic, including 3-D infrared upfront, may cut delays and improve airline safety.
A Christian Science perspective.