Sun or shine - it's all about the climate.
The Earth's atmosphere determines whether we'll experience hot or cold, wetness or dryness, calm or storm, clear skies or clouds. Weather is universal - and universally significant. Here's a DW compilation of content.
The Humboldt Current along the Pacific coast of South America is a giant marine ecosystem. The upwelling of cold, nutrient-rich water made famous by Humboldt is a lifeline for fish. It also impacts global weather and is highly sensitive to climate change.