Final answer:
Energy sources produced and recovered without negative environmental effects are typically renewable sources like hydropower and geothermal. Nuclear energy, though CO2-free, has waste storage issues, and fossil fuels release significant pollutants. The correct option is A.
Step-by-step explanation:
The question is about identifying energy sources that can be produced and recovered without negative effects on the environment.
Among the given options, nuclear energy, alternate fossil fuels, petroleum energy, and coal energy generally come with environmental drawbacks.
For example, nuclear energy has to deal with the storage of radioactive waste, and fossil fuels like petroleum and coal are major contributors to CO2 emissions and other pollutants.
Renewable energy sources, like hydropower and geothermal, are often considered environmentally friendly because they can be replenished naturally and they release minimal greenhouse gases.
Considering the reference information, the correct energy sources that fit the criteria of being able to be produced and recovered without negative effects on the environment would most likely be hydropower and geothermal energy, as they do not emit CO2 or other pollutants in significant amounts and are replenished naturally.
As for the question regarding nuclear power, no CO2 is directly produced in nuclear power plants; however, the storage of radioactive wastes is a significant environmental challenge. The correct option is A.