1 The most abundant greenhouse gas, but importantly, it acts as a feedback to the climate. 2  Water vapor increases as the Earth's atmosphere warms, but so does the possibility of clouds and precipitation, making these some of the most important feedback mechanisms to the greenhouse effect. 3  Carbon dioxide (CO 2).
Also called elimination communication or natural infant hygiene, infant potty training is the practice of introducing your baby to the toilet or potty at a very early age â usually between birth and 4 months.
There is a huge range when it comes to potty training. Some children learn as early as 15 months and refuse to wear (or need) diapers. Others are not potty trained until 2.5 or 3 years. Most continue to wear at least a pull-up (toddler diaper) until age 4 just in case there are accidents.