Even if people want to use sustainable energy sources and technologies, several barriers can limit their use. Which of these is NOT a potential barrier to more widespread use of sustainable development practices or technologies?
A) Sustainable energy can be much more expensive to produce than nonrenewable options.
B) Sustainable technologies currently release more greenhouse gases than nonrenewable energy sources release.
C) Construction and use of sustainable energy technologies can use hazardous chemicals or generate hazardous wastes that need to be carefully disposed of to avoid polluting the environment.
D) The technology for energy production and harvesting from some sustainable sources still needs to be optimized.
E) Construction of sustainable energy production facilities can destroy habitats.