What started as a battle over fireworks shows led to a sweeping legal victory Friday for environmentalists that could stymie a wide range of events needing city permits, from the Rock ’n’ Roll Marathon to birthday parties held at parks. “According to the strictest interpretation of this, jumpy-jumps and everything else would be subject to environmental review if this ruling stands,” said lawyer Robert Howard, who represented the La Jolla Community Fireworks Foundation in the case. “It’s a breathtaking ruling.” Superior Court Judge Linda Quinn said La Jolla’s annual Fourth of July fireworks show requires evaluation under the California Environmental...