Which of the following is an example of a worldwide concern that needs greater international cooperation and cross-cultural communication?

All of the above

Explanation:

All of the options listed above are examples of worldwide concerns that need greater international cooperation and cross-cultural communication. Energy is a major concern all over the world as we strive to achieve new, sustainable ways to have energy. These new methods include solar, goethermal, and nuclear energy. Economics is also a great concern as the economy of the whole world becomes increasingly interconnected. Finally, the environment is one of the most pressing issues in the world when examined from a global scale.