Final answer:
The main idea conveyed in the passage is The environmental issues caused by the massive production and disposal of plastic water bottles.
Step-by-step explanation:
Key Idea 1: The environmental issues caused by the massive production and disposal of plastic water bottles.
The main idea conveyed in the passage is
B) The environmental issues caused by the massive production and disposal of plastic water bottles.
The passage discusses how plastic production increases carbon emissions, contributes to global warming, and leads to a huge problem of plastic waste disposal. It also highlights the impact of plastic waste on landfills and the need to reduce plastic bottle usage.