Scientists say small changes in the sun's brightness can produce effects on Earth similar to two weather events in warm waters of the Pacific Ocean.

VOA: special.2009.09.29

Over long periods of time, these small changes result in the creation of new species.

VOA: special.2009.12.01

Then they made small changes to the bacterium's deoxyribonucleic acid -- DNA for short.

VOA: special.2010.07.20

She says small changes multiplied by millions can make a huge difference.

VOA: special.2009.11.06

He said small changes took place in individual animals.

VOA: special.2009.02.25

Small changes take place in each generation of organisms.

VOA: special.2009.12.01

Main message? Each one of us makes a difference every single day we impact the world around us and if we would just think about the consequences of the little choices we make what we eat,wear,buy, how we interact with people,animals, the environment then we start making small changes and that can lead to the huge change that we must have."

VOA: special.2009.11.18

Even small changes in what we eat and how we prepare our food can be very useful, says physician David Servan-Schreiber, author of "Anti-Cancer, A New Way of Life".

VOA: standard.2010.02.23

He says when it comes to saving energy and money, big changes start with small steps like turning out the lights.

VOA: special.2010.03.22