GCSE Physics : Two Flip Books
Here are two revision flipbooks for GCSE/IGCSE Physics Current Electricity and Electromagnetic Induction Waves and Wave Properties
Global Dimming : Information
What exactly is global dimming? Global dimming is a recently discovered phenomenon that reduces the amount of solar radiation reaching the surface of our planet. Until recently, scientists had dismissed the published evidence, since it directly opposed the evidence and observations for global warming. What is the cause of global dimming? There is evidence that increased numbers of particulates in the air are responsible for global dimming. […]
Climate Change : Link
Another excellent resource ……. http://www.globalissues.org/issue/178/climate-change-and-global-warming