Answer: 1. Deforestation: Cutting down trees leads to soil erosion, floods, and a decrease in wildlife.2. Water Pollution (Eutrophication): Increased organic nutrients from garbage and factories cause fish kills.3. Habitat Loss: Human encroachment on natural habitats leads to a decrease in species numbers.4. Air Pollution and Climate Change: Burning fossil fuels from cars and factories emits greenhouse gases, contributing to global warming.5. Marine Pollution and Overfishing: Overharvesting, mangrove destruction, dynamite fishing, and muro-ami damage marine life.6. Air Pollution: Air pollution from factories and vehicles (this is a more general statement than #4, which focuses on climate change aspects of air pollution).