Finally, the overall quality and relevance of a site's content is the most important ranking factor. Sites that provide valuable, informative content that meets the needs of users are more likely to rank higher in search results than those that don't. Smart Grids Climate change is a global issue that is affecting the planet in a variety of ways. Rising temperatures, more frequent and severe natural disasters, and changes in weather patterns are just a few of the impacts of climate change that we are seeing today.