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.
It is a global threat with real implications for everyone no matter where you live. Global warming is caused by a variety of gases and materials in our atmosphere; including huge amounts of carbon dioxide and methane from human activities such as extracting and burning fossil fuels, and clearing forests. These gases can trap heat in the atmosphere, causing steadily increasing temperatures.