California's wildfire season, always unsafe and frequently deadly, has extended almost year-round amid warming temperatures and extended dry spells.
Newsom also spoke out against the president's repeated calls for a border wall.
Newsom's second executive order was crafted with the admission that the government isn't always qualified to select and apply the best technological solutions for wildfires. That included stops in Southern California to view areas affected by the Woosley Fire, and a visit to the northern part of the state, where the Camp Fire devastated the community of Paradise. They say a "Twitter war" between Trump and California Gov. Gavin Newsom is "not helpful". In his first budget this week, the governor is expected to revive ideas to improve access that fell flat under predecessor Jerry Brown.
California Gov. Gavin Newsom, left, talks with U.S. House Speaker Nancy Pelosi, Monday, Jan. 7, 2019, in Sacramento, Calif. Newsom was sworn-in Monday as California's 40th governor. Many believe Newsom also harbours ambitions for national politics, and a charming moment with his family won't have done those any damage.
Newsom discussed that letter and other investments he plans to make in fire safety at a Tuesday event in the fire-prone Sierra Nevada foothills.
It's one of Newsom's first actions after becoming governor Monday. He praised Trump then for quickly providing disaster relief money in the past.
President Donald Trump revived his criticism of California on Wednesday, insisting again the state has mismanaged forest management programs and allowed wildfires to rage.
California's new governor wants to reinstate the individual mandate at the state level.
Trump tweeted that "unless they get their act together".
Last year, the deadliest wildfire in state history ravaged the town of Paradise north of Sacramento, destroying almost all of the housing stock and killing more than 80 people.