This week, the Public Broadcasting Service aired a NOVA program titled Dimming the Earth, which presented research by leading scientists on the complex and chaotic systems of our global climate and human activity's effect on it.
<clarity> This week, the Public Broadcasting Service aired a NOVA program titled Dimming the Earth, which presented research by leading scientists on the complex and chaotic systems of our global climate and human activity's effect on it.
This week, the Public Broadcasting Service aired a NOVA program titled Dimming the Earth, which presented research by leading scientists on the complex systems of our global climate and human activity's effect on it.