VS1 - VS2: You can see flaws with a 10X microscope, but it takes a long time (more than about 10 seconds). SI1 - SI2: You can see flaws with a 10X microscope. I1 - I3: You can see flaws with the naked eye. Consider avoiding I2-I3 diamonds. REMEMBER: For grades IF through SI, a diamond's clarity grade has an impact on the diamond's value, not on the unmagnified diamond's appearance. While Flawless diamonds are the rarest, a diamond does not have to be flawless to be stunning.
Global Warming affects us all, every living thing. Understanding the risks and what can be done to stem Global Warming effects are being addressed at all levels â individual, community, government agency and organization and at the international level. Below you will find some information about who is doing what.
What causes global warming? We do. The primary cause of global warming is human activity, most significantly the burning of fossil fuels to drive cars, generate electricity, and operate our homes and businesses. Tropical deforestation, also by human hands, is another major contributor.