1) Total factor productivity (TFP):
- Productivity levels measure the relationship between total products or output, and inputs or factors of production employed.
- Labour productivity is a measure of total output divided by the units of labour employed in the process of production.
- However, TFP is a measure of total output divided by a weighted average of inputs; i.e., labour and capital.
- While total productivity measures all-inclusive productivity, TFP is a measure of production efficiency.
2) World Forestry Congress: The first World Forestry Congress first held in Rome in 1926. After that, it is held about every six years by the UN-FAO.
- In 1954, FAO was entrusted with supporting Congress preparations in close cooperation with the host country and proudly continues to do so today.
- It has been providing a forum for inclusive discussion on the key challenges and way forward for the forestry sector.
3) Seoul forest declaration: The participants from 141 countries at the 15th World Forestry Congress in Seoul, Republic of Korea adopted the Seoul Forest Declaration.
- The Declaration urges that responsibility for forests should be shared and integrated across institutions, sectors and stakeholders.
- Investment in forest and landscape restoration globally needs to triple by 2030 to meet internationally agreed commitments and targets on restoring degraded land.
4) Urban Heat Island: An urban heat island is a local and temporary phenomenon experienced when certain pockets within a city experience higher heat load than surrounding or neighbouring areas on the same day.
- The variations are mainly due to heat remaining trapped within locations that often resemble concrete jungles.
- The temperature variation can range between 3 to 5 degrees Celsius.
5) Global Report on Assistive Technology: World Health Organisation (WHO) and UNICEF published a    Global Report on Assistive Technology
- It was developed in response to the World Health Assembly resolution (WHA71.8) on improving access to assistive technology adopted in May 2018.
- It presents a comprehensive dataset and analysis of current assistive technology access, drawing the attention of governments and civil society to the need for, and benefit of, assistive technology, including its return on investment.
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