That was not Riis' last battle to make life cleaner and better for many people.

VOA: special.2010.08.01

At demonstrations in Atlanta,Georgia,and Miami,Florida people protested to demand a cleaner environment.

VOA: special.2010.04.21

Acquiring this simple and non-polluting form of electric light,he points out, promotes education, public health,economic security and a cleaner environment.

VOA: standard.2009.12.13

The program known as Master Meter provided these families with ease of access, cleaner water and lower costs.

VOA: standard.2010.08.04

(VOICE) She recited a long list of relatives who have left Moscow in recent days, hoping to find cleaner air and cooler temperatures.

VOA: standard.2010.08.10

Trains are fuel efficient, they relieve traffic and airport congestion and they also reduce our dependence on foreign oil, making passenger trains the safer,cleaner, greener transportation option."

VOA: standard.2010.02.15

India hopes a massive increase in cleaner nuclear power will help it to check greenhouse gas emissions and cut its dependence on oil, most of which it imports.

VOA: standard.2009.09.29

"You are helping us to build a cleaner, brighter future and a stronger more prosperous economy and my administration and our country will support you in that difficult work,"

VOA: standard.2009.03.23

Kai Eide said a cleaner election and a credible government will go a long way toward closing what he called the "gap" between the Afghan people and officials in Kabul.

VOA: standard.2009.10.23

"Development is a right and that should continue but that perhaps paths where there could be a reconciliation of the objective of poverty reduction, enhanced standards of living, a life of greater dignity in developing countries can be reconciled with climate objectives by shifting the sources of energy away from the fossil fuels to the cleaner and lower carbon emissions.

VOA: standard.2009.09.01