As consumers fill their lives with reusable shopping bags, organic foods and energy-efficient vehicles, touting the environmental friendliness of goods and services has become an increasingly important marketing strategy for companies worldwide. This, coupled with vague government guidelines for green marketing claims, is causing challenges as competitors, consumers and environmental advocates demand standards and verification of these claims.

If there is one thing a business owner hates, it is uncertainty. Planning for the future — or even managing the present — cannot effectively happen unless the person signing the checks knows the rules of the game. But when it comes to California’s efforts to reduce greenhouse gas emissions, uncertainty is about the only thing employers can count on right now.

There’s a lot of legal hubbub in California surrounding Property-Assessed Clean Energy programs. Also known as PACE, the programs could be headed for troubled waters.

Americans import 99 percent of the roughly 200,000 tons of olive oil consumed each year. It’s not that the foreign stuff is so much better — in fact a recent study suggests that it often isn’t.

In 2006 the Legislature and Gov. Arnold Schwarzenegger enacted the California Global Warming Solutions Act. The objective of the act was to reduce greenhouse gas emissions in California to 1990 levels by 2020 and further reduce emissions by 80 percent of 1990 levels by 2050. The California Air Resources Board is charged with implementing the regulations.

For years, the debate over climate change centered almost exclusively on science: Is global warming occurring, and if so, are humans causing it? But with the economy still struggling, the argument has shifted to one of dollars and cents.

It has been almost a year since California lawmakers reached an agreement on the most comprehensive overhaul of the state’s water management system in more than four decades.

People, pets and drinking water could be better protected because of a new effort in Sacramento County to shutter abandoned wells.

Customers of the Sacramento Municipal Utility District and other power providers could soon realize the benefits of living on a smarter grid.

Smaller landfills, fewer forest fires and more renewable energy — these are just a few perks California would get from increasing biomass energy, some experts say.