The G7 countries have set a 2070 net zero target for "major economies" and urged countries such as India and China to achieve the same by 2050. This is a significant step, but it is important to note that it is not new for rich nations. The G7 countries are already some of the world's largest emitters of greenhouse gases, and they have a responsibility to lead the way in the fight against climate change. However, it is also important to remember that India and China are still developing countries, and they need time to transition to a clean energy economy. The G7 countries should work with India and China to ensure that they have the resources they need to meet their climate goals.

The G7 countries have called on major economies to let their greenhouse gas emissions "peak" no later than 2025. This is a new demand from G7 countries, and it is likely to be met with resistance from some countries, such as India. However, it is important to note that peaking emissions is essential if we are to avoid the worst effects of climate change. The G7 countries should continue to pressure major economies to peak their emissions as soon as possible.

The G7 countries have made some important commitments on climate change, but there is still more work to be done. The G7 countries need to work with all countries, rich and poor, to ensure that we meet the goals of the Paris Agreement.

Here are some of the key points from the G7 communiqué on climate change:

• The G7 countries reaffirmed their commitment to the Paris Agreement and to limiting global warming to 1.5 degrees Celsius.

• The G7 countries called on all major economies to commit to reaching net zero emissions by 2050 "at the latest".

• The G7 countries called on major economies to let their greenhouse gas emissions "peak" no later than 2025.

• The G7 countries committed to providing $100 billion annually in climate finance to developing countries.

The G7 countries' commitments on climate change are a step in the right direction, but there is still more work to be done. The G7 countries need to work with all countries, rich and poor, to ensure that we meet the goals of the Paris Agreement.