Temperatures are expected to soar this week but the hot weather isn’t stopping San Diegans wanting to hike. Plus, San Diego researchers are part of a team unlocking important clues about huge holes that sometimes form in the ice shelf surrounding Antarctica and an 87-year-old veteran who lives in a retirement home in Oceanside talks about his past — one that includes John Wayne and tales of old Hollywood.

San Diego City Council members are scheduled to decide whether to seek the invalidation of Proposition B, the city's landmark pension reform measure, after a series of court rulings put the measure in jeopardy. Plus, the city council will also cast a final vote on the city budget and a new report to the San Diego Police Department outlines ways to increase diversity on the force.

Over the last two years, the monarch butterfly population has fallen below critical levels in California, but there is reason for hope. Plus, a recent transportation survey is asking San Diegans who drive to work alone every day if they would ever consider alternative transportation; and San Diego City Council members are considering hiring a full-time childcare coordinator to update city policies and aid employees with young children.

The Veterans Health Administration is implementing a major new program Thursday that will allow more veterans to see private doctors outside the system. KPBS takes a look at how the MISSION program will be rolled out here in San Diego. Plus, a Scripps Institution of Oceanography study has found microplastics far below the ocean’s surface; a cross-border sewage fix may be coming; and the San Diego International Fringe Festival is back with the beautiful, bizarre and the unexpected.

In today’s San Diego’s News Matters podcast: A group of advocates has an idea for how to get more affordable housing: build it on the parking lots of churches, synagogues and mosques. Plus, data meant to help with city planning has turned into a crime-fighting tool for the San Diego Police Department; and as the height of wildfire season is just around the corner, the county is investing more in fire prevention tools.

In today’s San Diego’s News Matters podcast: Federal regulators say Southern California Edison has fixed enough of its safety problems to resume the transfer of nuclear waste at the power plant. Plus, San Diego Fire Authority Chief Tony Mecham discusses this seasons potential for wildfires; a former Chula Vista politician declares himself the new elected governor of Baja California; and financial tips on how to save money while traveling this summer.

In today’s San Diego’s News Matters podcast: a look how the new law is making life even harder for those trying to make ends meet. Plus, in north county, Palomar College considers allowing homeless students to sleep overnight in campus parking lots; a KPBS lawsuit reveals unanswered citizen complaints against sheriff's department; and MTS trolley cars get a second life.

In today’s San Diego’s News Matters podcast: Special Operations Chief Edward Gallagher is now freed from custody, but the case isn’t over just yet. Plus, Rep. Duncan Hunter, R-Alpine, continues to defend the San Diego-based Navy SEAL accused of war crimes by saying he also posed with dead bodies and probably killed “hundreds of civilians” while serving in Fallujah; San Diego could be facing a bad fire season; and a City Heights football team is getting national recognition after learning from the best.

In today’s San Diego News Matters podcast, meet “Saybie,” a preemie born last December weighing roughly the weight of an apple. Plus, the number of migrants arriving to San Diego from Texas that have the flu is still on the rise and the district attorney announces charges against 11 people in an alleged charter school “scheme.”

In today’s San Diego News Matters podcast, officials killed a mountain lion Tuesday suspected of attacking a 4-year-old boy. Plus, a new $35 million project led by a San Diego researcher will target deadly viruses, such as Ebola and mosquito-borne diseases, and City Heights is now home to a federal program that gives tax breaks for building in economically distressed areas.