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The article discusses the trends of clean energy in the U.S. focusing on the potential of offshore wind energy in the Pacific coast as the next major clean energy source. Topics include the land-based wind turbine installation in the U.S. and its share in the U.S. electricity, the involvement of Alla Weinstein in renewable energy, and the feasibility of developing wind energy off the California coast by researchers from Bren School of Environmental Science and Management in Santa Barbara.

A reprint of the article “Up to Speed: Two Months, One Page" by Paul Rauber, which appeared in the March-April 2019 issue of “Sierra" is presented. The wildfires in the state California have generated more carbon dioxide than electricity generation systems. The use of facial-recognition technology to identify bears. Increase in sale of plug-in electric vehicles in the U.S.

The article focuses on the use of solar energy on community scale in the U.S. In Minnesota, members of the Wright-Hennepin Cooperative Electric Association are allowed to own part of a 39-kilowatt array of solar panels on the roof of the co-op's headquarters, which helps them to share in the electricity just as they would with a system on their own roofs. California's Sacramento Municipal Utility District allows consumers to buy solar power from a local solar farm, receiving the same retail credit per kilowatt-hour that they would from a home system.

Discusses the decline of the Sierra Nevada bighorn sheep population in California. Threat posed by mountain lions to the existence of bighorn sheeps; Reintroduction effort for the sheeps; Protection of the lions in the state of California; Options available to preserve the mountain lion and bighorn sheep populations in California; Information on the behavior of bighorn sheeps and mountain lions.

In November 1988 Oakland, California, voters passed the toughest nuclear free zone initiative in the nation by a 57-to-43 percent vote, putting themselves on a collision course with the federal government. Unlike the largely symbolic N.F.Z. measures in effect in 167 other communities across the nation, Oakland's Measure T sharply restricts the production, storage and transportation of nuclear materials; bans nuclear weapons-related work within the city limits; and prohibits the city from doing business with nuclear weapons contractors like IBM and Motorola.

The article presents the author's views on San Francisco, California which is an expensive city to live in the U.S. as of July 2014 and highlights the city's low payment for the Hetchy Hetchy Reservoir. San Francisco is reportedly paying to use water from the Hetch Hetchy Reservoir under the Raker Act which authorized the city to dam the Tuolomne River.

The article offers information on various topics including the hottest September recorded in the history, the knowledge by oil company Exxon Mobil Corp. on the effects of atmospheric carbon dioxide to climate change, and the Trans-Pacific Partnership trade deal. Also mentioned are the lichen species that was named after country singer Dolly Parton, the drought in California, and the reduction of water usage in California.

Focuses on the Edible Schoolyard project, a garden and school lunch program at the Martin Luther King Jr. Middle School in Berkeley, California. Concept behind the project; Community participation; Benefits for school children.

The article offers information on two northern white rhinoceroses at the San Diego Zoo Safari Park in California.

The article offers information on the environmental condition of Headwaters Forest, California's largest unprotected groves of ancient redwoods. It mentions the deleterious impact resulting from the takeover of Pacific Lumber Co. by Maxxam Inc. which is owned by Texas corporate raider Charles Hurwitz. It cites that Hurwitz doubled the cut in and around Headwaters. A financial overview of Pacific Lumber being bankrupt and Hurwitz and Maxxam being hundreds of millions of dollars richer is offered. A delusional reorganizational plan for 22,000 acres of residential development, being pursued by Hurwitz has been discussed. It cites Headwaters' old growth trees as the refuges for the endangered seabird marbled murrelets. Possible solutions by the bankruptcy court are also being discussed.

Focuses on the condors found by Les Reid, former Sierra Club director, at his bedroom in California. Comment from the former director; Information on the bird.