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.
1-inch paintbrush: For priming sash. Materials Glass: For pane dimensions, measure the opening from top to bottom and side to side, then subtract 1/8 inch from each measurement. Aluminum foil: Protects undamaged glass from heat. Glazier's points: Hold glass against sash. Tom uses push-type points with shoulders. Glazing putty: Seals the edge of the glass against the weather. Tom uses an oil-based product in a can. Exterior primer: Seals wood against moisture; extends putty life.