Dear Editor:

Climate changes have assaulted Earth many times over the eons. Heed Boy Scouts and Girl Guide mottos. Be prepared for today; theres no excuse.

Were far from being ignorant if there will be none in rocking chair dotage or parents awakened by their infants cries. Clean, renewable, sustainable energy is required to protect from extremes of heat or cold, to run machines, to just survive.

All sciences applied to make plants grow and assorted animals for food to thrive where waters scarce and soil is burnt, where teenagers and young adults of all genders will have to toil, leaving no time for play or innovation if affirmative action is not taken now. It will be the greatest crime against humanity, where perpetrators can never be punished alas, having already died.

Margaret OSullivan