When outdoors for extended periods, wear comfortable clothing and hats to block the rays from the skin. When at the beach, use lotions with sun protecton factor of at least 15. The upper ozone problem also requires cooperation by legislatur es, Industries and consumers. As the upper ozone is aglobal problem, a global solution is required. Two dozen countries signed a treaty That aims to save the ozone layer.
Research Is under way to develop alternatives to CFCs.
You can reduce CFC use by replacing car and truck air-conditioner hoses every three years. Ask the mechanic to drain the coolants Into bottles rather than discharging them Into The environment. Most of the rigid foams found in egg cartons and coffee cups used CFCs. Many companies have now taken the CFCs out of these products. Currently there is no way for consumers to know if CFCs are in the foam packaging.