dangerous climate change - a long-term change in the earth's climate, especially a change due to increase in the average global surface temperature , renewable resources - natural resources that can be replenished naturally over time such as solar energy or oxygen , eco-friendly products - solar panels, reusable water bottles, energy-saving bulbs, handmade paper, hazardous chemicals - rat poison, heavy metals in engine lubricant, dry-cleaning solutions, sodium hydroxide in some oven cleaners, green technology - development of renewable energy, use of environmental science for water and air purification,sewage treatment and energy conservation ,

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