Renewables Energies- comparatives and superlatives adjective

1. Modern wind turbines are ____________ (tall) skyscrapers. (=)

2. I find that wind turbines are ____________ (beautiful) old windmills. (+)

3. Climate change is ____________ (serious) threat to humanity. (S)

The government climate pledge is ____________ (ambitious) (–) expected.

Solar power is ____________(ecological) wind power. (=)

Wind energy is ____________ (expensive) nuclear energy. (–)

This year’s renewable energy production is ____________ (great) last year’s. (+)

____________ (good) way to produce energy is using renewable sources. (S)

____________ (bad) way to produce energy is using coal. (S)

Renewables are ____________(good) fossil fuels. (+)