Well, if the shoe fits.

5 to me, but my thinking is talking to myself and reading is reading the words out loud in my mind. What am i?

Well, the River already is warmed up by the weather. Due to regulations the power plant is not allowed to induce its waste water to prevent further heating.

Seems like they are dependent on the temperature of the river - which is influenced by the weather.

You are right fossil fuels suck.