[Q]: [ManysmallmomandpopcleanerswhoaretryingtogetawayfromusingpercarechangingovertoDF-2000.AlthoughDF-2000islesstoxicthanperc,itisstillapetroleum-basedsolventandhasitsownsetofproblems.]
[A]: [Many small mom and pop cleaners who are trying to get away from using perc are changing over to DF-2000. Although DF-2000 is less toxic than perc, it is still a petroleum-based solvent and has its own set of problems.]
[Q]: [TheQuintadoMonteisasumptuous5-starhotel,surroundedbytropicalgardensandverdantnaturalsurroundings.]
[A]: [The Quinta do Monte is a sumptuous 5-star hotel, surrounded by tropical gardens and verdant natural surroundings.]
[Q]: [SuparnaDuttaisaClimateandEnergyinternatWorldwatchInstitute.]
[A]:
[Suparna Dutta is a Climate and Energy intern at Worldwatch Institute.]