Middle-wage jobs are becoming scarcer as more and more job growth takes place at the high and low ends of the wage spectrum. How can we create opportunity for low-wage workers to move up? Past efforts to address this issue have sometimes emphasized the differences between workers in different wage groups. But this often masks the specific information needed to solve the challenge.

The No. 1 crisis facing San Francisco today is the skyrocketing cost of housing. As high prices push people out, the City of Oakland faces a wave of new arrivals — and new challenges. Here's how we got into this situation, and what we can do about it.

Since rolling out on August 29, Bay Area Bike Share has logged an estimated 21,138 bicycle trips and 4,380 casual members. Not bad for a pilot program. But in order for it to last — and grow — it’s important to ask how we can translate this initial success into a long-term one.

Climate scientists have raised concerns that the latest report from the U.N. Intergovernmental Panel on Climate Change is "too conservative," referring to its lowered projections on the range of future warming based on a slight lack of temperature increase over the last decade. Despite this possibly encouraging bit of news, the IPCC's fifth major assessment continues to report unequivocal warming due to human causes.