The oceans affect weather and climate by interacting strongly with the atmosphere, and provide immense energy and food resources as well as recreation and transportation benefits to society. (aer.com)
As fusion reactors will not use any radioactive materials, yet generate immense energy, it is considered as a clean - green source of energy. (firstpost.com)
In addition, for the last three decades Rome has invested immense energy in theological dialogues with the various Protestant communities. (firstthings.com)