Solar energy is associated with intermittency issues, as it only generates electricity when the sun shines. Certain PV systems can provide cost-effective power reserves for storing electricity.

Parks do more than cool cities. They also help people work together to cope with climate change, but only if local communities help design, manage and care for them.

The current security situation in Nigeria calls for establishment of state police.

No country emerging from prolonged civil war is ever sufficiently prepared for elections.