What was climate like when earliest people lived there that time?

During the early years of human existence (around 2 million years ago), the climate was characterized by several dramatic shifts. The Earth experienced warmer and wetter periods known as interglacial periods and colder and drier periods known as glacial periods. These cycles largely influenced the environment, vegetation, and animal life.

1. Warm and Humid Periods:

- During interglacial periods, the climate was relatively warmer and more humid than today. Forests flourished, and there were abundant water resources, creating lush and habitable environments for early hominins.

2. Ice Ages and Glaciations:

- Glacial periods were characterized by colder temperatures and widespread glaciations. Ice sheets expanded, covering significant parts of the Earth's surface, particularly in the northern regions. These periods brought challenges such as scarcity of food and harsh living conditions.

3. Savanna-Like Environments:

- In many regions, early humans inhabited areas with savanna-like ecosystems. These regions combined patches of grasslands, woodlands, and water sources, providing diverse habitats for various animal and plant species.

4. Droughts and Desertification:

- During some periods, the climate became drier, leading to droughts and the expansion of deserts. This put pressure on early humans to adapt to changing conditions and find new sources of water and food.

5. Vegetation Changes:

- The shifting climate influenced vegetation patterns. Forest cover expanded during warmer periods and retreated during colder periods. This affected the availability of food and resources for early humans.

6. Megafauna and Extinctions:

- The changing climate also impacted the survival of various large animal species known as megafauna. Many of these species, such as mammoths and giant ground sloths, became extinct during certain climate transitions, affecting the food sources of early humans.

In summary, the climate during the time when the earliest humans lived was marked by periods of warmth, humidity, glaciations, droughts, and changes in vegetation. These fluctuations presented both opportunities and challenges for human survival and adaptation, influencing their migration, resource acquisition strategies, and overall way of life.