California Coastal Cliffs Rapidly Eroding, Study Finds

• California's coastal cliffs are rapidly crumbling into the sea, according to a study from UC San Diego.
• The erosion threatens critical infrastructure such as highways, railways, homes, and parklands.
• The study used lidar technology to identify hotspots for coastal cliff retreat.
• The cliffs are constantly reshaped by rain, waves, and other geologic forces.
• The study highlights the urgent need to address the impact of erosion on coastal communities.