One possible version:

March 22,2011   Tuesday  Sunny

    Today is World Water Day. In the moming,we had a class

meeting talking about what to do on this special day. Finally,we

reached an agreement and immediately began to make preparations

for the aftemoon's activities.

     At 2:00 pm,we went to the neighboring community to hand

out leaflets,calling on people to save water. Around 3 o'clock,the

expert we invited made an excellent speech on the current water

crisis in China. He talked about the draught in the Southeast and

the severe shortage of water in our city.  The speech had a strong

appeal to all the people present,including me.

      After the speech, we had a discussion with our neighbors

about various ways of saving water in our daily life. I suggested

tuming off the tap water immediately after use,and a granny came

up with the ideas of reusing the water from kitchen,for example,

the water after washing fruits and vegetables can be used to water

flowers and so on.

      Today,I have had a better understanding of the importance of