Several African economies are among the fastest growing in the world, but to transform cash into social prosperity will require more attentive involvement from the state, writes Lee-Roy Chetty.
Planetary carbon dioxide concentrations are the highest they've been in the past 800,000 years, an ignominious milestone for Earth Day 2013. Still, the world is making some progress toward addressing global warming.
Clean energy growth worldwide has stalled despite significant gains in electric vehicles and renewable power, and financing has slowed, according to separate studies released Wednesday. Is increased government funding the answer for clean energy, or should private business play a bigger part?
The London Marathon is set for April 21. Officials say the best way to show solidarity after the Boston Marathon attacks is to go forward.
The US system for work visas hasn't changed much since 1965, despite fluctuations in the economy and in demand for foreign workers. Immigration reform must include more flexibility. One way is to create an independent body that regularly advises Congress on visa limits.