For China, India, and many other rapidly-developing countries, water scarcity will increasingly and negatively affect growth-with 2.7 billion people living in water scarce basins in these countries alone by 2050, up from 1.4 billion today.
Replace window putty if it has become old and cracked. Window putty commonly is referred to as glazing compound. It is made to remain semi-flexible throughout its lifetime, so it both firmly holds the glass in place and keeps the edges of the glass leakproof. Properly installed putty looks like an extension of the window frame, and can be painted to match.
Putty is soft plastic or epoxy that users insert into the crack, then allow it to dry and harden. Epoxy is difficult to use to create a like-new finish but is perfect for anyone looking for a fast and easy way to repair small cracks. Plastic is available in tubes, and is only suitable for very small holes and cracks.hermoplastic is a great way to repair a cracked bumper but does require more skill to use. To apply thermoplastic, the car owner needs a gun, applicator, or heat gun to heat the plastic to melting point so that it can fill the hole or crack.