This research was aimed mainly to study the perception of agricultural extension agents to climate changes in El-Gharbia Governorate. This research was conducted in all villages in the El-Gharbia governorate where data were collected from 283 respondents of agricultural extension agents working in the agricultural units through a personal interview questionnaire which had been set up for that purpose. Several statistical methods were to analyze data: percentage, frequency tables, the most prominent results have been represented as follow-: 1- About 37.8%of the respondents are over fifty years old. 2-About 41.7% of respondents have Mediterranean experience in extension work. 3-About 96.5% of respondents did not receive training in the field of climate change. 4-About 96.8% of the respondents have a desire to participate in climate change. 5-About51.2% of the respondents have moderate knowledge of forms of climate change. 6-About 51.6% of respondents have a high knowledge of the causes of climate change. 7-About58.66% of respondents have a high knowledge of effects of climate change. 8-The most important problems that correspond to the extension as a result of climate change in the order as follows: difficult of implementing the action plan due to changing rain, increase the workload on agricultural extension agents, difficult to manage farm and application of new farming techniques, increasing costs of training conditions.